20104859880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139967}}^1$

素因数の和:140013

約数の個数: 256

約数和(自身を含む): 80621568000

約数和(自身を除く): 60516708120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 9576, 10260, 11970, 14364, 15960, 17955, 20520, 23940, 28728, 35910, 47880, 71820, 139967, 143640, 279934, 419901, 559868, 699835, 839802, 979769, 1119736, 1259703, 1399670, 1679604, 1959538, 2099505, 2519406, 2659373, 2799340, 2939307, 3359208, 3779109, 3919076, 4199010, 4898845, 5038812, 5318746, 5598680, 5878614, 6298515, 7558218, 7838152, 7978119, 8398020, 8817921, 9797690, 10077624, 10637492, 11757228, 12597030, 13296865, 14696535, 15116436, 15956238, 16796040, 17635842, 18615611, 18895545, 19595380, 21274984, 23514456, 23934357, 25194060, 26453763, 26593730, 29393070, 30232872, 31912476, 35271684, 37231222, 37791090, 39190760, 39890595, 44089605, 47868714, 50388120, 52907526, 53187460, 55846833, 58786140, 63824952, 70543368, 71803071, 74462444, 75582180, 79781190, 88179210, 93078055, 95737428, 105815052, 106374920, 111693666, 117572280, 119671785, 132268815, 143606142, 148924888, 151164360, 159562380, 167540499, 176358420, 186156110, 191474856, 211630104, 223387332, 239343570, 264537630, 279234165, 287212284, 319124760, 335080998, 352716840, 359015355, 372312220, 446774664, 478687140, 502621497, 529075260, 558468330, 574424568, 670161996, 718030710, 744624440, 837702495, 957374280, 1005242994, 1058150520, 1116936660, 1340323992, 1436061420, 1675404990, 2010485988, 2233873320, 2513107485, 2872122840, 3350809980, 4020971976, 5026214970, 6701619960, 10052429940, 20104859880]

約数ペア:

[(1, 20104859880), (2, 10052429940), (3, 6701619960), (4, 5026214970), (5, 4020971976), (6, 3350809980), (7, 2872122840), (8, 2513107485), (9, 2233873320), (10, 2010485988), (12, 1675404990), (14, 1436061420), (15, 1340323992), (18, 1116936660), (19, 1058150520), (20, 1005242994), (21, 957374280), (24, 837702495), (27, 744624440), (28, 718030710), (30, 670161996), (35, 574424568), (36, 558468330), (38, 529075260), (40, 502621497), (42, 478687140), (45, 446774664), (54, 372312220), (56, 359015355), (57, 352716840), (60, 335080998), (63, 319124760), (70, 287212284), (72, 279234165), (76, 264537630), (84, 239343570), (90, 223387332), (95, 211630104), (105, 191474856), (108, 186156110), (114, 176358420), (120, 167540499), (126, 159562380), (133, 151164360), (135, 148924888), (140, 143606142), (152, 132268815), (168, 119671785), (171, 117572280), (180, 111693666), (189, 106374920), (190, 105815052), (210, 95737428), (216, 93078055), (228, 88179210), (252, 79781190), (266, 75582180), (270, 74462444), (280, 71803071), (285, 70543368), (315, 63824952), (342, 58786140), (360, 55846833), (378, 53187460), (380, 52907526), (399, 50388120), (420, 47868714), (456, 44089605), (504, 39890595), (513, 39190760), (532, 37791090), (540, 37231222), (570, 35271684), (630, 31912476), (665, 30232872), (684, 29393070), (756, 26593730), (760, 26453763), (798, 25194060), (840, 23934357), (855, 23514456), (945, 21274984), (1026, 19595380), (1064, 18895545), (1080, 18615611), (1140, 17635842), (1197, 16796040), (1260, 15956238), (1330, 15116436), (1368, 14696535), (1512, 13296865), (1596, 12597030), (1710, 11757228), (1890, 10637492), (1995, 10077624), (2052, 9797690), (2280, 8817921), (2394, 8398020), (2520, 7978119), (2565, 7838152), (2660, 7558218), (3192, 6298515), (3420, 5878614), (3591, 5598680), (3780, 5318746), (3990, 5038812), (4104, 4898845), (4788, 4199010), (5130, 3919076), (5320, 3779109), (5985, 3359208), (6840, 2939307), (7182, 2799340), (7560, 2659373), (7980, 2519406), (9576, 2099505), (10260, 1959538), (11970, 1679604), (14364, 1399670), (15960, 1259703), (17955, 1119736), (20520, 979769), (23940, 839802), (28728, 699835), (35910, 559868), (47880, 419901), (71820, 279934), (139967, 143640)]