20836872

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13781}}^1$

素因数の和:13803

約数の個数: 64

約数和(自身を含む): 66153600

約数和(自身を除く): 45316728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13781, 27562, 41343, 55124, 82686, 96467, 110248, 124029, 165372, 192934, 248058, 289401, 330744, 372087, 385868, 496116, 578802, 744174, 771736, 868203, 992232, 1157604, 1488348, 1736406, 2315208, 2604609, 2976696, 3472812, 5209218, 6945624, 10418436, 20836872]

約数ペア:

[(1, 20836872), (2, 10418436), (3, 6945624), (4, 5209218), (6, 3472812), (7, 2976696), (8, 2604609), (9, 2315208), (12, 1736406), (14, 1488348), (18, 1157604), (21, 992232), (24, 868203), (27, 771736), (28, 744174), (36, 578802), (42, 496116), (54, 385868), (56, 372087), (63, 330744), (72, 289401), (84, 248058), (108, 192934), (126, 165372), (168, 124029), (189, 110248), (216, 96467), (252, 82686), (378, 55124), (504, 41343), (756, 27562), (1512, 13781)]