20444125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 28723968

約数和(自身を除く): 8279843

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 547, 575, 1495, 1625, 2735, 2875, 7111, 7475, 12581, 13675, 35555, 37375, 62905, 68375, 163553, 177775, 314525, 817765, 888875, 1572625, 4088825, 20444125]

約数ペア:

[(1, 20444125), (5, 4088825), (13, 1572625), (23, 888875), (25, 817765), (65, 314525), (115, 177775), (125, 163553), (299, 68375), (325, 62905), (547, 37375), (575, 35555), (1495, 13675), (1625, 12581), (2735, 7475), (2875, 7111)]