20904175370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6991363}}^1$

素因数の和:6991406

約数の個数: 32

約数和(自身を含む): 42283769472

約数和(自身を除く): 21379594102

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6991363, 13982726, 34956815, 69913630, 90887719, 160801349, 181775438, 321602698, 454438595, 804006745, 908877190, 1608013490, 2090417537, 4180835074, 10452087685, 20904175370]

約数ペア:

[(1, 20904175370), (2, 10452087685), (5, 4180835074), (10, 2090417537), (13, 1608013490), (23, 908877190), (26, 804006745), (46, 454438595), (65, 321602698), (115, 181775438), (130, 160801349), (230, 90887719), (299, 69913630), (598, 34956815), (1495, 13982726), (2990, 6991363)]