20615275

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 26537984

約数和(自身を除く): 5922709

約数列:

[1, 5, 25, 43, 127, 151, 215, 635, 755, 1075, 3175, 3775, 5461, 6493, 19177, 27305, 32465, 95885, 136525, 162325, 479425, 824611, 4123055, 20615275]

約数ペア:

[(1, 20615275), (5, 4123055), (25, 824611), (43, 479425), (127, 162325), (151, 136525), (215, 95885), (635, 32465), (755, 27305), (1075, 19177), (3175, 6493), (3775, 5461)]