20124125

素因数分解:

$5^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 29103360

約数和(自身を除く): 8979235

約数列:

[1, 5, 7, 25, 35, 109, 125, 175, 211, 545, 763, 875, 1055, 1477, 2725, 3815, 5275, 7385, 13625, 19075, 22999, 26375, 36925, 95375, 114995, 160993, 184625, 574975, 804965, 2874875, 4024825, 20124125]

約数ペア:

[(1, 20124125), (5, 4024825), (7, 2874875), (25, 804965), (35, 574975), (109, 184625), (125, 160993), (175, 114995), (211, 95375), (545, 36925), (763, 26375), (875, 22999), (1055, 19075), (1477, 13625), (2725, 7385), (3815, 5275)]