20122722

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26533278

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 79, 89, 106, 158, 159, 178, 237, 267, 318, 474, 477, 534, 711, 801, 954, 1422, 1431, 1602, 2133, 2403, 2862, 4187, 4266, 4717, 4806, 7031, 8374, 9434, 12561, 14062, 14151, 21093, 25122, 28302, 37683, 42186, 42453, 63279, 75366, 84906, 113049, 126558, 127359, 189837, 226098, 254718, 372643, 379674, 745286, 1117929, 2235858, 3353787, 6707574, 10061361, 20122722]

約数ペア:

[(1, 20122722), (2, 10061361), (3, 6707574), (6, 3353787), (9, 2235858), (18, 1117929), (27, 745286), (53, 379674), (54, 372643), (79, 254718), (89, 226098), (106, 189837), (158, 127359), (159, 126558), (178, 113049), (237, 84906), (267, 75366), (318, 63279), (474, 42453), (477, 42186), (534, 37683), (711, 28302), (801, 25122), (954, 21093), (1422, 14151), (1431, 14062), (1602, 12561), (2133, 9434), (2403, 8374), (2862, 7031), (4187, 4806), (4266, 4717)]