20715564

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 29603796

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 233, 239, 372, 466, 478, 699, 717, 932, 956, 1398, 1434, 2796, 2868, 7223, 7409, 14446, 14818, 21669, 22227, 28892, 29636, 43338, 44454, 55687, 86676, 88908, 111374, 167061, 222748, 334122, 668244, 1726297, 3452594, 5178891, 6905188, 10357782, 20715564]

約数ペア:

[(1, 20715564), (2, 10357782), (3, 6905188), (4, 5178891), (6, 3452594), (12, 1726297), (31, 668244), (62, 334122), (93, 222748), (124, 167061), (186, 111374), (233, 88908), (239, 86676), (372, 55687), (466, 44454), (478, 43338), (699, 29636), (717, 28892), (932, 22227), (956, 21669), (1398, 14818), (1434, 14446), (2796, 7409), (2868, 7223)]