20214160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8713}}^1$

素因数の和:8755

約数の個数: 40

約数和(自身を含む): 48624120

約数和(自身を除く): 28409960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8713, 17426, 34852, 43565, 69704, 87130, 139408, 174260, 252677, 348520, 505354, 697040, 1010708, 1263385, 2021416, 2526770, 4042832, 5053540, 10107080, 20214160]

約数ペア:

[(1, 20214160), (2, 10107080), (4, 5053540), (5, 4042832), (8, 2526770), (10, 2021416), (16, 1263385), (20, 1010708), (29, 697040), (40, 505354), (58, 348520), (80, 252677), (116, 174260), (145, 139408), (232, 87130), (290, 69704), (464, 43565), (580, 34852), (1160, 17426), (2320, 8713)]