20657103690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688570123}}^1$

素因数の和:688570133

約数の個数: 16

約数和(自身を含む): 49577048928

約数和(自身を除く): 28919945238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688570123, 1377140246, 2065710369, 3442850615, 4131420738, 6885701230, 10328551845, 20657103690]

約数ペア:

[(1, 20657103690), (2, 10328551845), (3, 6885701230), (5, 4131420738), (6, 3442850615), (10, 2065710369), (15, 1377140246), (30, 688570123)]