20106955240

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1199699}}^1$

素因数の和:1200129

約数の個数: 32

約数和(自身を含む): 45348660000

約数和(自身を除く): 25241704760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 1199699, 2399398, 4798796, 5998495, 9597592, 11996990, 23993980, 47987960, 502673881, 1005347762, 2010695524, 2513369405, 4021391048, 5026738810, 10053477620, 20106955240]

約数ペア:

[(1, 20106955240), (2, 10053477620), (4, 5026738810), (5, 4021391048), (8, 2513369405), (10, 2010695524), (20, 1005347762), (40, 502673881), (419, 47987960), (838, 23993980), (1676, 11996990), (2095, 9597592), (3352, 5998495), (4190, 4798796), (8380, 2399398), (16760, 1199699)]