20124881435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{48787}}^1$

素因数の和:49043

約数の個数: 32

約数和(自身を含む): 26809201152

約数和(自身を除く): 6684319717

約数列:

[1, 5, 17, 23, 85, 115, 211, 391, 1055, 1955, 3587, 4853, 17935, 24265, 48787, 82501, 243935, 412505, 829379, 1122101, 4146895, 5610505, 10294057, 19075717, 51470285, 95378585, 174998969, 236763311, 874994845, 1183816555, 4024976287, 20124881435]

約数ペア:

[(1, 20124881435), (5, 4024976287), (17, 1183816555), (23, 874994845), (85, 236763311), (115, 174998969), (211, 95378585), (391, 51470285), (1055, 19075717), (1955, 10294057), (3587, 5610505), (4853, 4146895), (17935, 1122101), (24265, 829379), (48787, 412505), (82501, 243935)]