20167825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 26355456

約数和(自身を除く): 6187631

約数列:

[1, 5, 25, 31, 53, 155, 265, 491, 775, 1325, 1643, 2455, 8215, 12275, 15221, 26023, 41075, 76105, 130115, 380525, 650575, 806713, 4033565, 20167825]

約数ペア:

[(1, 20167825), (5, 4033565), (25, 806713), (31, 650575), (53, 380525), (155, 130115), (265, 76105), (491, 41075), (775, 26023), (1325, 15221), (1643, 12275), (2455, 8215)]