20122970976

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^2\times {\mathrm{72707}}^1$

素因数の和:72785

約数の個数: 108

約数和(自身を含む): 59131017036

約数和(自身を除く): 39008046060

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 961, 992, 1116, 1488, 1922, 2232, 2883, 2976, 3844, 4464, 5766, 7688, 8649, 8928, 11532, 15376, 17298, 23064, 30752, 34596, 46128, 69192, 72707, 92256, 138384, 145414, 218121, 276768, 290828, 436242, 581656, 654363, 872484, 1163312, 1308726, 1744968, 2253917, 2326624, 2617452, 3489936, 4507834, 5234904, 6761751, 6979872, 9015668, 10469808, 13523502, 18031336, 20285253, 20939616, 27047004, 36062672, 40570506, 54094008, 69871427, 72125344, 81141012, 108188016, 139742854, 162282024, 209614281, 216376032, 279485708, 324564048, 419228562, 558971416, 628842843, 649128096, 838457124, 1117942832, 1257685686, 1676914248, 2235885664, 2515371372, 3353828496, 5030742744, 6707656992, 10061485488, 20122970976]

約数ペア:

[(1, 20122970976), (2, 10061485488), (3, 6707656992), (4, 5030742744), (6, 3353828496), (8, 2515371372), (9, 2235885664), (12, 1676914248), (16, 1257685686), (18, 1117942832), (24, 838457124), (31, 649128096), (32, 628842843), (36, 558971416), (48, 419228562), (62, 324564048), (72, 279485708), (93, 216376032), (96, 209614281), (124, 162282024), (144, 139742854), (186, 108188016), (248, 81141012), (279, 72125344), (288, 69871427), (372, 54094008), (496, 40570506), (558, 36062672), (744, 27047004), (961, 20939616), (992, 20285253), (1116, 18031336), (1488, 13523502), (1922, 10469808), (2232, 9015668), (2883, 6979872), (2976, 6761751), (3844, 5234904), (4464, 4507834), (5766, 3489936), (7688, 2617452), (8649, 2326624), (8928, 2253917), (11532, 1744968), (15376, 1308726), (17298, 1163312), (23064, 872484), (30752, 654363), (34596, 581656), (46128, 436242), (69192, 290828), (72707, 276768), (92256, 218121), (138384, 145414)]