20963164

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 16957796

約数列:

[1, 2, 4, 37, 74, 148, 197, 394, 719, 788, 1438, 2876, 7289, 14578, 26603, 29156, 53206, 106412, 141643, 283286, 566572, 5240791, 10481582, 20963164]

約数ペア:

[(1, 20963164), (2, 10481582), (4, 5240791), (37, 566572), (74, 283286), (148, 141643), (197, 106412), (394, 53206), (719, 29156), (788, 26603), (1438, 14578), (2876, 7289)]