20178880035

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3289141}}^1$

素因数の和:3289558

約数の個数: 16

約数和(自身を含む): 32365157280

約数和(自身を除く): 12186277245

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 6135, 3289141, 9867423, 16445705, 49337115, 1345258669, 4035776007, 6726293345, 20178880035]

約数ペア:

[(1, 20178880035), (3, 6726293345), (5, 4035776007), (15, 1345258669), (409, 49337115), (1227, 16445705), (2045, 9867423), (6135, 3289141)]