20945325

素因数分解:

$3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1447}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 34833088

約数和(自身を除く): 13887763

約数列:

[1, 3, 5, 15, 25, 75, 193, 579, 965, 1447, 2895, 4341, 4825, 7235, 14475, 21705, 36175, 108525, 279271, 837813, 1396355, 4189065, 6981775, 20945325]

約数ペア:

[(1, 20945325), (3, 6981775), (5, 4189065), (15, 1396355), (25, 837813), (75, 279271), (193, 108525), (579, 36175), (965, 21705), (1447, 14475), (2895, 7235), (4341, 4825)]