20964718

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{577}}^1$

素因数の和:1107

約数の個数: 16

約数和(自身を含む): 32418864

約数和(自身を除く): 11454146

約数列:

[1, 2, 37, 74, 491, 577, 982, 1154, 18167, 21349, 36334, 42698, 283307, 566614, 10482359, 20964718]

約数ペア:

[(1, 20964718), (2, 10482359), (37, 566614), (74, 283307), (491, 42698), (577, 36334), (982, 21349), (1154, 18167)]