20078508420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4817}}^1$

素因数の和:4952

約数の個数: 240

約数和(自身を含む): 65815884288

約数和(自身を除く): 45737375868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 83, 90, 93, 108, 124, 135, 155, 162, 166, 180, 186, 249, 270, 279, 310, 324, 332, 372, 405, 415, 465, 498, 540, 558, 620, 747, 810, 830, 837, 930, 996, 1116, 1245, 1395, 1494, 1620, 1660, 1674, 1860, 2241, 2490, 2511, 2573, 2790, 2988, 3348, 3735, 4185, 4482, 4817, 4980, 5022, 5146, 5580, 6723, 7470, 7719, 8370, 8964, 9634, 10044, 10292, 11205, 12555, 12865, 13446, 14451, 14940, 15438, 16740, 19268, 22410, 23157, 24085, 25110, 25730, 26892, 28902, 30876, 33615, 38595, 43353, 44820, 46314, 48170, 50220, 51460, 57804, 67230, 69471, 72255, 77190, 86706, 92628, 96340, 115785, 130059, 134460, 138942, 144510, 149327, 154380, 173412, 208413, 216765, 231570, 260118, 277884, 289020, 298654, 347355, 390177, 399811, 416826, 433530, 447981, 463140, 520236, 597308, 650295, 694710, 746635, 780354, 799622, 833652, 867060, 895962, 1042065, 1199433, 1300590, 1343943, 1389420, 1493270, 1560708, 1599244, 1791924, 1950885, 1999055, 2084130, 2239905, 2398866, 2601180, 2687886, 2986540, 3598299, 3901770, 3998110, 4031829, 4168260, 4479810, 4797732, 5375772, 5997165, 6719715, 7196598, 7803540, 7996220, 8063658, 8959620, 10794897, 11994330, 12095487, 12394141, 13439430, 14393196, 16127316, 17991495, 20159145, 21589794, 23988660, 24190974, 24788282, 26878860, 32384691, 35982990, 37182423, 40318290, 43179588, 48381948, 49576564, 53974485, 60477435, 61970705, 64769382, 71965980, 74364846, 80636580, 107948970, 111547269, 120954870, 123941410, 129538764, 148729692, 161923455, 185912115, 215897940, 223094538, 241909740, 247882820, 323846910, 334641807, 371824230, 446189076, 557736345, 647693820, 669283614, 743648460, 1003925421, 1115472690, 1338567228, 1673209035, 2007850842, 2230945380, 3346418070, 4015701684, 5019627105, 6692836140, 10039254210, 20078508420]

約数ペア:

[(1, 20078508420), (2, 10039254210), (3, 6692836140), (4, 5019627105), (5, 4015701684), (6, 3346418070), (9, 2230945380), (10, 2007850842), (12, 1673209035), (15, 1338567228), (18, 1115472690), (20, 1003925421), (27, 743648460), (30, 669283614), (31, 647693820), (36, 557736345), (45, 446189076), (54, 371824230), (60, 334641807), (62, 323846910), (81, 247882820), (83, 241909740), (90, 223094538), (93, 215897940), (108, 185912115), (124, 161923455), (135, 148729692), (155, 129538764), (162, 123941410), (166, 120954870), (180, 111547269), (186, 107948970), (249, 80636580), (270, 74364846), (279, 71965980), (310, 64769382), (324, 61970705), (332, 60477435), (372, 53974485), (405, 49576564), (415, 48381948), (465, 43179588), (498, 40318290), (540, 37182423), (558, 35982990), (620, 32384691), (747, 26878860), (810, 24788282), (830, 24190974), (837, 23988660), (930, 21589794), (996, 20159145), (1116, 17991495), (1245, 16127316), (1395, 14393196), (1494, 13439430), (1620, 12394141), (1660, 12095487), (1674, 11994330), (1860, 10794897), (2241, 8959620), (2490, 8063658), (2511, 7996220), (2573, 7803540), (2790, 7196598), (2988, 6719715), (3348, 5997165), (3735, 5375772), (4185, 4797732), (4482, 4479810), (4817, 4168260), (4980, 4031829), (5022, 3998110), (5146, 3901770), (5580, 3598299), (6723, 2986540), (7470, 2687886), (7719, 2601180), (8370, 2398866), (8964, 2239905), (9634, 2084130), (10044, 1999055), (10292, 1950885), (11205, 1791924), (12555, 1599244), (12865, 1560708), (13446, 1493270), (14451, 1389420), (14940, 1343943), (15438, 1300590), (16740, 1199433), (19268, 1042065), (22410, 895962), (23157, 867060), (24085, 833652), (25110, 799622), (25730, 780354), (26892, 746635), (28902, 694710), (30876, 650295), (33615, 597308), (38595, 520236), (43353, 463140), (44820, 447981), (46314, 433530), (48170, 416826), (50220, 399811), (51460, 390177), (57804, 347355), (67230, 298654), (69471, 289020), (72255, 277884), (77190, 260118), (86706, 231570), (92628, 216765), (96340, 208413), (115785, 173412), (130059, 154380), (134460, 149327), (138942, 144510)]