20877336

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5471}}^1$

素因数の和:5536

約数の個数: 48

約数和(自身を含む): 57620160

約数和(自身を除く): 36742824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5471, 10942, 16413, 21884, 32826, 43768, 49239, 65652, 98478, 131304, 196956, 289963, 393912, 579926, 869889, 1159852, 1739778, 2319704, 2609667, 3479556, 5219334, 6959112, 10438668, 20877336]

約数ペア:

[(1, 20877336), (2, 10438668), (3, 6959112), (4, 5219334), (6, 3479556), (8, 2609667), (9, 2319704), (12, 1739778), (18, 1159852), (24, 869889), (36, 579926), (53, 393912), (72, 289963), (106, 196956), (159, 131304), (212, 98478), (318, 65652), (424, 49239), (477, 43768), (636, 32826), (954, 21884), (1272, 16413), (1908, 10942), (3816, 5471)]