20105354913

素因数分解:

$3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1213}}^1\times {\mathrm{2029}}^1$

素因数の和:3641

約数の個数: 32

約数和(自身を含む): 30755961600

約数和(自身を除く): 10650606687

約数列:

[1, 3, 7, 21, 389, 1167, 1213, 2029, 2723, 3639, 6087, 8169, 8491, 14203, 25473, 42609, 471857, 789281, 1415571, 2367843, 2461177, 3302999, 5524967, 7383531, 9908997, 16574901, 17228239, 51684717, 957397853, 2872193559, 6701784971, 20105354913]

約数ペア:

[(1, 20105354913), (3, 6701784971), (7, 2872193559), (21, 957397853), (389, 51684717), (1167, 17228239), (1213, 16574901), (2029, 9908997), (2723, 7383531), (3639, 5524967), (6087, 3302999), (8169, 2461177), (8491, 2367843), (14203, 1415571), (25473, 789281), (42609, 471857)]