20859360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43457}}^1$

素因数の和:43475

約数の個数: 48

約数和(自身を含む): 65708496

約数和(自身を除く): 44849136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43457, 86914, 130371, 173828, 217285, 260742, 347656, 434570, 521484, 651855, 695312, 869140, 1042968, 1303710, 1390624, 1738280, 2085936, 2607420, 3476560, 4171872, 5214840, 6953120, 10429680, 20859360]

約数ペア:

[(1, 20859360), (2, 10429680), (3, 6953120), (4, 5214840), (5, 4171872), (6, 3476560), (8, 2607420), (10, 2085936), (12, 1738280), (15, 1390624), (16, 1303710), (20, 1042968), (24, 869140), (30, 695312), (32, 651855), (40, 521484), (48, 434570), (60, 347656), (80, 260742), (96, 217285), (120, 173828), (160, 130371), (240, 86914), (480, 43457)]