20038872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 37618728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 181, 362, 543, 659, 724, 1086, 1267, 1318, 1448, 1977, 2172, 2534, 2636, 3801, 3954, 4344, 4613, 5068, 5272, 7602, 7908, 9226, 10136, 13839, 15204, 15816, 18452, 27678, 30408, 36904, 55356, 110712, 119279, 238558, 357837, 477116, 715674, 834953, 954232, 1431348, 1669906, 2504859, 2862696, 3339812, 5009718, 6679624, 10019436, 20038872]

約数ペア:

[(1, 20038872), (2, 10019436), (3, 6679624), (4, 5009718), (6, 3339812), (7, 2862696), (8, 2504859), (12, 1669906), (14, 1431348), (21, 954232), (24, 834953), (28, 715674), (42, 477116), (56, 357837), (84, 238558), (168, 119279), (181, 110712), (362, 55356), (543, 36904), (659, 30408), (724, 27678), (1086, 18452), (1267, 15816), (1318, 15204), (1448, 13839), (1977, 10136), (2172, 9226), (2534, 7908), (2636, 7602), (3801, 5272), (3954, 5068), (4344, 4613)]