20859762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 52521984

約数和(自身を除く): 31662222

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 163, 231, 277, 326, 462, 489, 554, 831, 978, 1141, 1662, 1793, 1939, 2282, 3047, 3423, 3586, 3878, 5379, 5817, 6094, 6846, 9141, 10758, 11634, 12551, 18282, 21329, 25102, 37653, 42658, 45151, 63987, 75306, 90302, 127974, 135453, 270906, 316057, 496661, 632114, 948171, 993322, 1489983, 1896342, 2979966, 3476627, 6953254, 10429881, 20859762]

約数ペア:

[(1, 20859762), (2, 10429881), (3, 6953254), (6, 3476627), (7, 2979966), (11, 1896342), (14, 1489983), (21, 993322), (22, 948171), (33, 632114), (42, 496661), (66, 316057), (77, 270906), (154, 135453), (163, 127974), (231, 90302), (277, 75306), (326, 63987), (462, 45151), (489, 42658), (554, 37653), (831, 25102), (978, 21329), (1141, 18282), (1662, 12551), (1793, 11634), (1939, 10758), (2282, 9141), (3047, 6846), (3423, 6094), (3586, 5817), (3878, 5379)]