20443255

素因数分解:

$5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1627}}^1$

素因数の和:1998

約数の個数: 16

約数和(自身を含む): 28131840

約数和(自身を除く): 7688585

約数列:

[1, 5, 7, 35, 359, 1627, 1795, 2513, 8135, 11389, 12565, 56945, 584093, 2920465, 4088651, 20443255]

約数ペア:

[(1, 20443255), (5, 4088651), (7, 2920465), (35, 584093), (359, 56945), (1627, 12565), (1795, 11389), (2513, 8135)]