20762861

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 24428544

約数和(自身を除く): 3665683

約数列:

[1, 7, 47, 223, 283, 329, 1561, 1981, 10481, 13301, 63109, 73367, 93107, 441763, 2966123, 20762861]

約数ペア:

[(1, 20762861), (7, 2966123), (47, 441763), (223, 93107), (283, 73367), (329, 63109), (1561, 13301), (1981, 10481)]