20886216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66943}}^1$

素因数の和:66965

約数の個数: 32

約数和(自身を含む): 56232960

約数和(自身を除く): 35346744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66943, 133886, 200829, 267772, 401658, 535544, 803316, 870259, 1606632, 1740518, 2610777, 3481036, 5221554, 6962072, 10443108, 20886216]

約数ペア:

[(1, 20886216), (2, 10443108), (3, 6962072), (4, 5221554), (6, 3481036), (8, 2610777), (12, 1740518), (13, 1606632), (24, 870259), (26, 803316), (39, 535544), (52, 401658), (78, 267772), (104, 200829), (156, 133886), (312, 66943)]