20163787

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4028213

約数列:

[1, 7, 29, 71, 203, 497, 1399, 2059, 9793, 14413, 40571, 99329, 283997, 695303, 2880541, 20163787]

約数ペア:

[(1, 20163787), (7, 2880541), (29, 695303), (71, 283997), (203, 99329), (497, 40571), (1399, 14413), (2059, 9793)]