20341388470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1980661}}^1$

素因数の和:1980760

約数の個数: 32

約数和(自身を含む): 39930145920

約数和(自身を除く): 19588757450

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 1980661, 3961322, 9903305, 19806610, 25748593, 51497186, 128742965, 156472219, 257485930, 312944438, 782361095, 1564722190, 2034138847, 4068277694, 10170694235, 20341388470]

約数ペア:

[(1, 20341388470), (2, 10170694235), (5, 4068277694), (10, 2034138847), (13, 1564722190), (26, 782361095), (65, 312944438), (79, 257485930), (130, 156472219), (158, 128742965), (395, 51497186), (790, 25748593), (1027, 19806610), (2054, 9903305), (5135, 3961322), (10270, 1980661)]