20343155

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 29942784

約数和(自身を除く): 9599629

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 683, 805, 851, 1295, 3415, 4255, 4781, 5957, 15709, 23905, 25271, 29785, 78545, 109963, 126355, 176897, 549815, 581233, 884485, 2906165, 4068631, 20343155]

約数ペア:

[(1, 20343155), (5, 4068631), (7, 2906165), (23, 884485), (35, 581233), (37, 549815), (115, 176897), (161, 126355), (185, 109963), (259, 78545), (683, 29785), (805, 25271), (851, 23905), (1295, 15709), (3415, 5957), (4255, 4781)]