20379725

素因数分解:

$5^2\times {\mathrm{23}}^3\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 24

約数和(自身を含む): 26813760

約数和(自身を除く): 6434035

約数列:

[1, 5, 23, 25, 67, 115, 335, 529, 575, 1541, 1675, 2645, 7705, 12167, 13225, 35443, 38525, 60835, 177215, 304175, 815189, 886075, 4075945, 20379725]

約数ペア:

[(1, 20379725), (5, 4075945), (23, 886075), (25, 815189), (67, 304175), (115, 177215), (335, 60835), (529, 38525), (575, 35443), (1541, 13225), (1675, 12167), (2645, 7705)]