20074464

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1680

約数の個数: 72

約数和(自身を含む): 58450392

約数和(自身を除く): 38375928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1621, 2064, 3096, 3242, 4128, 4863, 6192, 6484, 9726, 12384, 12968, 14589, 19452, 25936, 29178, 38904, 51872, 58356, 69703, 77808, 116712, 139406, 155616, 209109, 233424, 278812, 418218, 466848, 557624, 627327, 836436, 1115248, 1254654, 1672872, 2230496, 2509308, 3345744, 5018616, 6691488, 10037232, 20074464]

約数ペア:

[(1, 20074464), (2, 10037232), (3, 6691488), (4, 5018616), (6, 3345744), (8, 2509308), (9, 2230496), (12, 1672872), (16, 1254654), (18, 1115248), (24, 836436), (32, 627327), (36, 557624), (43, 466848), (48, 418218), (72, 278812), (86, 233424), (96, 209109), (129, 155616), (144, 139406), (172, 116712), (258, 77808), (288, 69703), (344, 58356), (387, 51872), (516, 38904), (688, 29178), (774, 25936), (1032, 19452), (1376, 14589), (1548, 12968), (1621, 12384), (2064, 9726), (3096, 6484), (3242, 6192), (4128, 4863)]