164522020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{632777}}^1$

素因数の和:632799

約数の個数: 24

約数和(自身を含む): 372073464

約数和(自身を除く): 207551444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 632777, 1265554, 2531108, 3163885, 6327770, 8226101, 12655540, 16452202, 32904404, 41130505, 82261010, 164522020]

約数ペア:

[(1, 164522020), (2, 82261010), (4, 41130505), (5, 32904404), (10, 16452202), (13, 12655540), (20, 8226101), (26, 6327770), (52, 3163885), (65, 2531108), (130, 1265554), (260, 632777)]