20105787515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{868313}}^1$

素因数の和:868750

約数の個数: 16

約数和(自身を含む): 26382852576

約数和(自身を除く): 6277065061

約数列:

[1, 5, 11, 55, 421, 2105, 4631, 23155, 868313, 4341565, 9551443, 47757215, 365559773, 1827798865, 4021157503, 20105787515]

約数ペア:

[(1, 20105787515), (5, 4021157503), (11, 1827798865), (55, 365559773), (421, 47757215), (2105, 9551443), (4631, 4341565), (23155, 868313)]