20213256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 58521600

約数和(自身を除く): 38308344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1523, 1659, 1896, 2212, 3046, 3318, 4424, 4569, 6092, 6636, 9138, 10661, 12184, 13272, 18276, 21322, 31983, 36552, 42644, 63966, 85288, 120317, 127932, 240634, 255864, 360951, 481268, 721902, 842219, 962536, 1443804, 1684438, 2526657, 2887608, 3368876, 5053314, 6737752, 10106628, 20213256]

約数ペア:

[(1, 20213256), (2, 10106628), (3, 6737752), (4, 5053314), (6, 3368876), (7, 2887608), (8, 2526657), (12, 1684438), (14, 1443804), (21, 962536), (24, 842219), (28, 721902), (42, 481268), (56, 360951), (79, 255864), (84, 240634), (158, 127932), (168, 120317), (237, 85288), (316, 63966), (474, 42644), (553, 36552), (632, 31983), (948, 21322), (1106, 18276), (1523, 13272), (1659, 12184), (1896, 10661), (2212, 9138), (3046, 6636), (3318, 6092), (4424, 4569)]