20145075

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{2377}}^1$

素因数の和:2503

約数の個数: 24

約数和(自身を含む): 33615408

約数和(自身を除く): 13470333

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2377, 2825, 7131, 8475, 11885, 35655, 59425, 178275, 268601, 805803, 1343005, 4029015, 6715025, 20145075]

約数ペア:

[(1, 20145075), (3, 6715025), (5, 4029015), (15, 1343005), (25, 805803), (75, 268601), (113, 178275), (339, 59425), (565, 35655), (1695, 11885), (2377, 8475), (2825, 7131)]