20071675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 27046880

約数和(自身を除く): 6975205

約数列:

[1, 5, 13, 25, 65, 151, 325, 409, 755, 1963, 2045, 3775, 5317, 9815, 10225, 26585, 49075, 61759, 132925, 308795, 802867, 1543975, 4014335, 20071675]

約数ペア:

[(1, 20071675), (5, 4014335), (13, 1543975), (25, 802867), (65, 308795), (151, 132925), (325, 61759), (409, 49075), (755, 26585), (1963, 10225), (2045, 9815), (3775, 5317)]