20182860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3617}}^1$

素因数の和:3663

約数の個数: 72

約数和(自身を含む): 63213696

約数和(自身を除く): 43030836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3617, 5580, 7234, 10851, 14468, 18085, 21702, 32553, 36170, 43404, 54255, 65106, 72340, 108510, 112127, 130212, 162765, 217020, 224254, 325530, 336381, 448508, 560635, 651060, 672762, 1009143, 1121270, 1345524, 1681905, 2018286, 2242540, 3363810, 4036572, 5045715, 6727620, 10091430, 20182860]

約数ペア:

[(1, 20182860), (2, 10091430), (3, 6727620), (4, 5045715), (5, 4036572), (6, 3363810), (9, 2242540), (10, 2018286), (12, 1681905), (15, 1345524), (18, 1121270), (20, 1009143), (30, 672762), (31, 651060), (36, 560635), (45, 448508), (60, 336381), (62, 325530), (90, 224254), (93, 217020), (124, 162765), (155, 130212), (180, 112127), (186, 108510), (279, 72340), (310, 65106), (372, 54255), (465, 43404), (558, 36170), (620, 32553), (930, 21702), (1116, 18085), (1395, 14468), (1860, 10851), (2790, 7234), (3617, 5580)]