20376705

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 34070400

約数和(自身を除く): 13693695

約数列:

[1, 3, 5, 15, 29, 87, 139, 145, 337, 417, 435, 695, 1011, 1685, 2085, 4031, 5055, 9773, 12093, 20155, 29319, 46843, 48865, 60465, 140529, 146595, 234215, 702645, 1358447, 4075341, 6792235, 20376705]

約数ペア:

[(1, 20376705), (3, 6792235), (5, 4075341), (15, 1358447), (29, 702645), (87, 234215), (139, 146595), (145, 140529), (337, 60465), (417, 48865), (435, 46843), (695, 29319), (1011, 20155), (1685, 12093), (2085, 9773), (4031, 5055)]