20865704

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44207}}^1$

素因数の和:44272

約数の個数: 16

約数和(自身を含む): 39787200

約数和(自身を除く): 18921496

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44207, 88414, 176828, 353656, 2608213, 5216426, 10432852, 20865704]

約数ペア:

[(1, 20865704), (2, 10432852), (4, 5216426), (8, 2608213), (59, 353656), (118, 176828), (236, 88414), (472, 44207)]