1321020208

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{817463}}^1$

素因数の和:817572

約数の個数: 20

約数和(自身を含む): 2584821168

約数和(自身を除く): 1263800960

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 817463, 1634926, 3269852, 6539704, 13079408, 82563763, 165127526, 330255052, 660510104, 1321020208]

約数ペア:

[(1, 1321020208), (2, 660510104), (4, 330255052), (8, 165127526), (16, 82563763), (101, 13079408), (202, 6539704), (404, 3269852), (808, 1634926), (1616, 817463)]