20815125

素因数分解:

$3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 35403264

約数和(自身を除く): 14588139

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 235, 375, 705, 1175, 1181, 3525, 3543, 5875, 5905, 17625, 17715, 29525, 55507, 88575, 147625, 166521, 277535, 442875, 832605, 1387675, 4163025, 6938375, 20815125]

約数ペア:

[(1, 20815125), (3, 6938375), (5, 4163025), (15, 1387675), (25, 832605), (47, 442875), (75, 277535), (125, 166521), (141, 147625), (235, 88575), (375, 55507), (705, 29525), (1175, 17715), (1181, 17625), (3525, 5905), (3543, 5875)]