16615820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63907}}^1$

素因数の和:63929

約数の個数: 24

約数和(自身を含む): 37577904

約数和(自身を除く): 20962084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63907, 127814, 255628, 319535, 639070, 830791, 1278140, 1661582, 3323164, 4153955, 8307910, 16615820]

約数ペア:

[(1, 16615820), (2, 8307910), (4, 4153955), (5, 3323164), (10, 1661582), (13, 1278140), (20, 830791), (26, 639070), (52, 319535), (65, 255628), (130, 127814), (260, 63907)]