20268358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 14402234

約数列:

[1, 2, 11, 22, 31, 62, 113, 226, 263, 341, 526, 682, 1243, 2486, 2893, 3503, 5786, 7006, 8153, 16306, 29719, 38533, 59438, 77066, 89683, 179366, 326909, 653818, 921289, 1842578, 10134179, 20268358]

約数ペア:

[(1, 20268358), (2, 10134179), (11, 1842578), (22, 921289), (31, 653818), (62, 326909), (113, 179366), (226, 89683), (263, 77066), (341, 59438), (526, 38533), (682, 29719), (1243, 16306), (2486, 8153), (2893, 7006), (3503, 5786)]