20193751025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{7951}}^1$

素因数の和:8622

約数の個数: 48

約数和(自身を含む): 29912752128

約数和(自身を除く): 9719001103

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 631, 805, 3155, 4025, 4417, 7951, 14513, 15775, 22085, 39755, 55657, 72565, 101591, 110425, 182873, 198775, 278285, 362825, 507955, 914365, 1280111, 1391425, 2539775, 4571825, 5017081, 6400555, 25085405, 32002775, 35119567, 115392863, 125427025, 175597835, 576964315, 807750041, 877989175, 2884821575, 4038750205, 20193751025]

約数ペア:

[(1, 20193751025), (5, 4038750205), (7, 2884821575), (23, 877989175), (25, 807750041), (35, 576964315), (115, 175597835), (161, 125427025), (175, 115392863), (575, 35119567), (631, 32002775), (805, 25085405), (3155, 6400555), (4025, 5017081), (4417, 4571825), (7951, 2539775), (14513, 1391425), (15775, 1280111), (22085, 914365), (39755, 507955), (55657, 362825), (72565, 278285), (101591, 198775), (110425, 182873)]