20720616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4253}}^1$

素因数の和:4298

約数の個数: 64

約数和(自身を含む): 61257600

約数和(自身を除く): 40536984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4253, 4872, 8506, 12759, 17012, 25518, 29771, 34024, 51036, 59542, 89313, 102072, 119084, 123337, 178626, 238168, 246674, 357252, 370011, 493348, 714504, 740022, 863359, 986696, 1480044, 1726718, 2590077, 2960088, 3453436, 5180154, 6906872, 10360308, 20720616]

約数ペア:

[(1, 20720616), (2, 10360308), (3, 6906872), (4, 5180154), (6, 3453436), (7, 2960088), (8, 2590077), (12, 1726718), (14, 1480044), (21, 986696), (24, 863359), (28, 740022), (29, 714504), (42, 493348), (56, 370011), (58, 357252), (84, 246674), (87, 238168), (116, 178626), (168, 123337), (174, 119084), (203, 102072), (232, 89313), (348, 59542), (406, 51036), (609, 34024), (696, 29771), (812, 25518), (1218, 17012), (1624, 12759), (2436, 8506), (4253, 4872)]