20586216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 59230080

約数和(自身を除く): 38643864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 181, 362, 543, 677, 724, 1086, 1267, 1354, 1448, 2031, 2172, 2534, 2708, 3801, 4062, 4344, 4739, 5068, 5416, 7602, 8124, 9478, 10136, 14217, 15204, 16248, 18956, 28434, 30408, 37912, 56868, 113736, 122537, 245074, 367611, 490148, 735222, 857759, 980296, 1470444, 1715518, 2573277, 2940888, 3431036, 5146554, 6862072, 10293108, 20586216]

約数ペア:

[(1, 20586216), (2, 10293108), (3, 6862072), (4, 5146554), (6, 3431036), (7, 2940888), (8, 2573277), (12, 1715518), (14, 1470444), (21, 980296), (24, 857759), (28, 735222), (42, 490148), (56, 367611), (84, 245074), (168, 122537), (181, 113736), (362, 56868), (543, 37912), (677, 30408), (724, 28434), (1086, 18956), (1267, 16248), (1354, 15204), (1448, 14217), (2031, 10136), (2172, 9478), (2534, 8124), (2708, 7602), (3801, 5416), (4062, 5068), (4344, 4739)]