15916220

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1471}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 33508608

約数和(自身を除く): 17592388

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1471, 2164, 2705, 2942, 5410, 5884, 7355, 10820, 14710, 29420, 795811, 1591622, 3183244, 3979055, 7958110, 15916220]

約数ペア:

[(1, 15916220), (2, 7958110), (4, 3979055), (5, 3183244), (10, 1591622), (20, 795811), (541, 29420), (1082, 14710), (1471, 10820), (2164, 7355), (2705, 5884), (2942, 5410)]