20045075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 26355456

約数和(自身を除く): 6310381

約数列:

[1, 5, 23, 25, 71, 115, 355, 491, 575, 1633, 1775, 2455, 8165, 11293, 12275, 34861, 40825, 56465, 174305, 282325, 801803, 871525, 4009015, 20045075]

約数ペア:

[(1, 20045075), (5, 4009015), (23, 871525), (25, 801803), (71, 282325), (115, 174305), (355, 56465), (491, 40825), (575, 34861), (1633, 12275), (1775, 11293), (2455, 8165)]