20674950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{337}}^1\times {\mathrm{409}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 51551760

約数和(自身を除く): 30876810

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 337, 409, 674, 818, 1011, 1227, 1685, 2022, 2045, 2454, 3370, 4090, 5055, 6135, 8425, 10110, 10225, 12270, 16850, 20450, 25275, 30675, 50550, 61350, 137833, 275666, 413499, 689165, 826998, 1378330, 2067495, 3445825, 4134990, 6891650, 10337475, 20674950]

約数ペア:

[(1, 20674950), (2, 10337475), (3, 6891650), (5, 4134990), (6, 3445825), (10, 2067495), (15, 1378330), (25, 826998), (30, 689165), (50, 413499), (75, 275666), (150, 137833), (337, 61350), (409, 50550), (674, 30675), (818, 25275), (1011, 20450), (1227, 16850), (1685, 12270), (2022, 10225), (2045, 10110), (2454, 8425), (3370, 6135), (4090, 5055)]