20875416660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{290663}}^1$

素因数の和:290707

約数の個数: 192

約数和(自身を含む): 78130483200

約数和(自身を除く): 57255066540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3591, 3780, 3990, 4788, 5130, 5985, 7182, 7980, 10260, 11970, 14364, 17955, 23940, 35910, 71820, 290663, 581326, 871989, 1162652, 1453315, 1743978, 2034641, 2615967, 2906630, 3487956, 4069282, 4359945, 5231934, 5522597, 5813260, 6103923, 7847901, 8138564, 8719890, 10173205, 10463868, 11045194, 12207846, 13079835, 15695802, 16567791, 17439780, 18311769, 20346410, 22090388, 24415692, 26159670, 27612985, 30519615, 31391604, 33135582, 36623538, 38658179, 39239505, 40692820, 49703373, 52319340, 54935307, 55225970, 61039230, 66271164, 73247076, 77316358, 78479010, 82838955, 91558845, 99406746, 109870614, 110451940, 115974537, 122078460, 149110119, 154632716, 156958020, 165677910, 183117690, 193290895, 198813492, 219741228, 231949074, 248516865, 274676535, 298220238, 331355820, 347923611, 366235380, 386581790, 463898148, 497033730, 549353070, 579872685, 596440476, 695847222, 745550595, 773163580, 994067460, 1043770833, 1098706140, 1159745370, 1391694444, 1491101190, 1739618055, 2087541666, 2319490740, 2982202380, 3479236110, 4175083332, 5218854165, 6958472220, 10437708330, 20875416660]

約数ペア:

[(1, 20875416660), (2, 10437708330), (3, 6958472220), (4, 5218854165), (5, 4175083332), (6, 3479236110), (7, 2982202380), (9, 2319490740), (10, 2087541666), (12, 1739618055), (14, 1491101190), (15, 1391694444), (18, 1159745370), (19, 1098706140), (20, 1043770833), (21, 994067460), (27, 773163580), (28, 745550595), (30, 695847222), (35, 596440476), (36, 579872685), (38, 549353070), (42, 497033730), (45, 463898148), (54, 386581790), (57, 366235380), (60, 347923611), (63, 331355820), (70, 298220238), (76, 274676535), (84, 248516865), (90, 231949074), (95, 219741228), (105, 198813492), (108, 193290895), (114, 183117690), (126, 165677910), (133, 156958020), (135, 154632716), (140, 149110119), (171, 122078460), (180, 115974537), (189, 110451940), (190, 109870614), (210, 99406746), (228, 91558845), (252, 82838955), (266, 78479010), (270, 77316358), (285, 73247076), (315, 66271164), (342, 61039230), (378, 55225970), (380, 54935307), (399, 52319340), (420, 49703373), (513, 40692820), (532, 39239505), (540, 38658179), (570, 36623538), (630, 33135582), (665, 31391604), (684, 30519615), (756, 27612985), (798, 26159670), (855, 24415692), (945, 22090388), (1026, 20346410), (1140, 18311769), (1197, 17439780), (1260, 16567791), (1330, 15695802), (1596, 13079835), (1710, 12207846), (1890, 11045194), (1995, 10463868), (2052, 10173205), (2394, 8719890), (2565, 8138564), (2660, 7847901), (3420, 6103923), (3591, 5813260), (3780, 5522597), (3990, 5231934), (4788, 4359945), (5130, 4069282), (5985, 3487956), (7182, 2906630), (7980, 2615967), (10260, 2034641), (11970, 1743978), (14364, 1453315), (17955, 1162652), (23940, 871989), (35910, 581326), (71820, 290663)]