20980230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1033}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 50475744

約数和(自身を除く): 29495514

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 677, 1033, 1354, 2031, 2066, 3099, 3385, 4062, 5165, 6198, 6770, 10155, 10330, 15495, 20310, 30990, 699341, 1398682, 2098023, 3496705, 4196046, 6993410, 10490115, 20980230]

約数ペア:

[(1, 20980230), (2, 10490115), (3, 6993410), (5, 4196046), (6, 3496705), (10, 2098023), (15, 1398682), (30, 699341), (677, 30990), (1033, 20310), (1354, 15495), (2031, 10330), (2066, 10155), (3099, 6770), (3385, 6198), (4062, 5165)]