20275250

素因数分解:

$2^1\times 5^3\times {\mathrm{81101}}^1$

素因数の和:81118

約数の個数: 16

約数和(自身を含む): 37955736

約数和(自身を除く): 17680486

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 81101, 162202, 405505, 811010, 2027525, 4055050, 10137625, 20275250]

約数ペア:

[(1, 20275250), (2, 10137625), (5, 4055050), (10, 2027525), (25, 811010), (50, 405505), (125, 162202), (250, 81101)]