20390340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339839}}^1$

素因数の和:339851

約数の個数: 24

約数和(自身を含む): 57093120

約数和(自身を除く): 36702780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339839, 679678, 1019517, 1359356, 1699195, 2039034, 3398390, 4078068, 5097585, 6796780, 10195170, 20390340]

約数ペア:

[(1, 20390340), (2, 10195170), (3, 6796780), (4, 5097585), (5, 4078068), (6, 3398390), (10, 2039034), (12, 1699195), (15, 1359356), (20, 1019517), (30, 679678), (60, 339839)]