20854545

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10613}}^1$

素因数の和:10752

約数の個数: 16

約数和(自身を含む): 33625152

約数和(自身を除く): 12770607

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10613, 31839, 53065, 159195, 1390303, 4170909, 6951515, 20854545]

約数ペア:

[(1, 20854545), (3, 6951515), (5, 4170909), (15, 1390303), (131, 159195), (393, 53065), (655, 31839), (1965, 10613)]