20928622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 37185120

約数和(自身を除く): 16256498

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 433, 866, 1859, 2197, 3718, 4394, 4763, 5629, 9526, 11258, 24167, 48334, 61919, 73177, 123838, 146354, 804947, 951301, 1609894, 1902602, 10464311, 20928622]

約数ペア:

[(1, 20928622), (2, 10464311), (11, 1902602), (13, 1609894), (22, 951301), (26, 804947), (143, 146354), (169, 123838), (286, 73177), (338, 61919), (433, 48334), (866, 24167), (1859, 11258), (2197, 9526), (3718, 5629), (4394, 4763)]