20946625

素因数分解:

$5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 9784127

約数列:

[1, 5, 7, 25, 35, 37, 125, 175, 185, 259, 647, 875, 925, 1295, 3235, 4529, 4625, 6475, 16175, 22645, 23939, 32375, 80875, 113225, 119695, 167573, 566125, 598475, 837865, 2992375, 4189325, 20946625]

約数ペア:

[(1, 20946625), (5, 4189325), (7, 2992375), (25, 837865), (35, 598475), (37, 566125), (125, 167573), (175, 119695), (185, 113225), (259, 80875), (647, 32375), (875, 23939), (925, 22645), (1295, 16175), (3235, 6475), (4529, 4625)]