16021420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25841}}^1$

素因数の和:25881

約数の個数: 24

約数和(自身を含む): 34731648

約数和(自身を除く): 18710228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 25841, 51682, 103364, 129205, 258410, 516820, 801071, 1602142, 3204284, 4005355, 8010710, 16021420]

約数ペア:

[(1, 16021420), (2, 8010710), (4, 4005355), (5, 3204284), (10, 1602142), (20, 801071), (31, 516820), (62, 258410), (124, 129205), (155, 103364), (310, 51682), (620, 25841)]