20995250

素因数分解:

$2^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 39654576

約数和(自身を除く): 18659326

約数列:

[1, 2, 5, 10, 25, 50, 125, 137, 250, 274, 613, 685, 1226, 1370, 3065, 3425, 6130, 6850, 15325, 17125, 30650, 34250, 76625, 83981, 153250, 167962, 419905, 839810, 2099525, 4199050, 10497625, 20995250]

約数ペア:

[(1, 20995250), (2, 10497625), (5, 4199050), (10, 2099525), (25, 839810), (50, 419905), (125, 167962), (137, 153250), (250, 83981), (274, 76625), (613, 34250), (685, 30650), (1226, 17125), (1370, 15325), (3065, 6850), (3425, 6130)]