20754475

素因数分解:

$5^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 29596320

約数和(自身を除く): 8841845

約数列:

[1, 5, 7, 25, 35, 175, 233, 509, 1165, 1631, 2545, 3563, 5825, 8155, 12725, 17815, 40775, 89075, 118597, 592985, 830179, 2964925, 4150895, 20754475]

約数ペア:

[(1, 20754475), (5, 4150895), (7, 2964925), (25, 830179), (35, 592985), (175, 118597), (233, 89075), (509, 40775), (1165, 17815), (1631, 12725), (2545, 8155), (3563, 5825)]