20343721528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195612707}}^1$

素因数の和:195612726

約数の個数: 16

約数和(自身を含む): 41078668680

約数和(自身を除く): 20734947152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195612707, 391225414, 782450828, 1564901656, 2542965191, 5085930382, 10171860764, 20343721528]

約数ペア:

[(1, 20343721528), (2, 10171860764), (4, 5085930382), (8, 2542965191), (13, 1564901656), (26, 782450828), (52, 391225414), (104, 195612707)]