20245475

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 26434320

約数和(自身を除く): 6188845

約数列:

[1, 5, 25, 37, 43, 185, 215, 509, 925, 1075, 1591, 2545, 7955, 12725, 18833, 21887, 39775, 94165, 109435, 470825, 547175, 809819, 4049095, 20245475]

約数ペア:

[(1, 20245475), (5, 4049095), (25, 809819), (37, 547175), (43, 470825), (185, 109435), (215, 94165), (509, 39775), (925, 21887), (1075, 18833), (1591, 12725), (2545, 7955)]