20121963660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4723}}^1\times {\mathrm{23669}}^1$

素因数の和:28407

約数の個数: 72

約数和(自身を含む): 61052125680

約数和(自身を除く): 40930162020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4723, 9446, 14169, 18892, 23615, 23669, 28338, 42507, 47230, 47338, 56676, 70845, 71007, 85014, 94460, 94676, 118345, 141690, 142014, 170028, 212535, 213021, 236690, 283380, 284028, 355035, 425070, 426042, 473380, 710070, 850140, 852084, 1065105, 1420140, 2130210, 4260420, 111788687, 223577374, 335366061, 447154748, 558943435, 670732122, 1006098183, 1117886870, 1341464244, 1676830305, 2012196366, 2235773740, 3353660610, 4024392732, 5030490915, 6707321220, 10060981830, 20121963660]

約数ペア:

[(1, 20121963660), (2, 10060981830), (3, 6707321220), (4, 5030490915), (5, 4024392732), (6, 3353660610), (9, 2235773740), (10, 2012196366), (12, 1676830305), (15, 1341464244), (18, 1117886870), (20, 1006098183), (30, 670732122), (36, 558943435), (45, 447154748), (60, 335366061), (90, 223577374), (180, 111788687), (4723, 4260420), (9446, 2130210), (14169, 1420140), (18892, 1065105), (23615, 852084), (23669, 850140), (28338, 710070), (42507, 473380), (47230, 426042), (47338, 425070), (56676, 355035), (70845, 284028), (71007, 283380), (85014, 236690), (94460, 213021), (94676, 212535), (118345, 170028), (141690, 142014)]