20179749

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{457}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 27699840

約数和(自身を除く): 7520091

約数列:

[1, 3, 41, 123, 359, 457, 1077, 1371, 14719, 18737, 44157, 56211, 164063, 492189, 6726583, 20179749]

約数ペア:

[(1, 20179749), (3, 6726583), (41, 492189), (123, 164063), (359, 56211), (457, 44157), (1077, 18737), (1371, 14719)]