20383725

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1571}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 33917472

約数和(自身を除く): 13533747

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 1571, 2595, 4325, 4713, 7855, 12975, 23565, 39275, 117825, 271783, 815349, 1358915, 4076745, 6794575, 20383725]

約数ペア:

[(1, 20383725), (3, 6794575), (5, 4076745), (15, 1358915), (25, 815349), (75, 271783), (173, 117825), (519, 39275), (865, 23565), (1571, 12975), (2595, 7855), (4325, 4713)]