20172921453

素因数分解:

$3^4\times {\mathrm{32869}}^1\times {\mathrm{7577}}^1$

素因数の和:40458

約数の個数: 20

約数和(自身を含む): 30139752060

約数和(自身を除く): 9966830607

約数列:

[1, 3, 9, 27, 81, 7577, 22731, 32869, 68193, 98607, 204579, 295821, 613737, 887463, 2662389, 249048413, 747145239, 2241435717, 6724307151, 20172921453]

約数ペア:

[(1, 20172921453), (3, 6724307151), (9, 2241435717), (27, 747145239), (81, 249048413), (7577, 2662389), (22731, 887463), (32869, 613737), (68193, 295821), (98607, 204579)]