20124654875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{203023}}^1$

素因数の和:203112

約数の個数: 32

約数和(自身を含む): 27491073792

約数和(自身を除く): 7366418917

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 793, 1525, 1625, 3965, 7625, 19825, 99125, 203023, 1015115, 2639299, 5075575, 12384403, 13196495, 25377875, 61922015, 65982475, 160997239, 309610075, 329912375, 804986195, 1548050375, 4024930975, 20124654875]

約数ペア:

[(1, 20124654875), (5, 4024930975), (13, 1548050375), (25, 804986195), (61, 329912375), (65, 309610075), (125, 160997239), (305, 65982475), (325, 61922015), (793, 25377875), (1525, 13196495), (1625, 12384403), (3965, 5075575), (7625, 2639299), (19825, 1015115), (99125, 203023)]