20152179

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 31750400

約数和(自身を除く): 11598221

約数列:

[1, 3, 9, 19, 27, 57, 163, 171, 241, 489, 513, 723, 1467, 2169, 3097, 4401, 4579, 6507, 9291, 13737, 27873, 39283, 41211, 83619, 117849, 123633, 353547, 746377, 1060641, 2239131, 6717393, 20152179]

約数ペア:

[(1, 20152179), (3, 6717393), (9, 2239131), (19, 1060641), (27, 746377), (57, 353547), (163, 123633), (171, 117849), (241, 83619), (489, 41211), (513, 39283), (723, 27873), (1467, 13737), (2169, 9291), (3097, 6507), (4401, 4579)]