20333901

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 32405760

約数和(自身を除く): 12071859

約数列:

[1, 3, 7, 21, 29, 87, 173, 193, 203, 519, 579, 609, 1211, 1351, 3633, 4053, 5017, 5597, 15051, 16791, 33389, 35119, 39179, 100167, 105357, 117537, 233723, 701169, 968281, 2904843, 6777967, 20333901]

約数ペア:

[(1, 20333901), (3, 6777967), (7, 2904843), (21, 968281), (29, 701169), (87, 233723), (173, 117537), (193, 105357), (203, 100167), (519, 39179), (579, 35119), (609, 33389), (1211, 16791), (1351, 15051), (3633, 5597), (4053, 5017)]