20081288008

素因数分解:

$2^3\times {\mathrm{3121}}^1\times {\mathrm{804281}}^1$

素因数の和:807408

約数の個数: 16

約数和(自身を含む): 37664526060

約数和(自身を除く): 17583238052

約数列:

[1, 2, 4, 8, 3121, 6242, 12484, 24968, 804281, 1608562, 3217124, 6434248, 2510161001, 5020322002, 10040644004, 20081288008]

約数ペア:

[(1, 20081288008), (2, 10040644004), (4, 5020322002), (8, 2510161001), (3121, 6434248), (6242, 3217124), (12484, 1608562), (24968, 804281)]