20051466440

素因数分解:

$2^3\times 5^1\times {\mathrm{501286661}}^1$

素因数の和:501286672

約数の個数: 16

約数和(自身を含む): 45115799580

約数和(自身を除く): 25064333140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 501286661, 1002573322, 2005146644, 2506433305, 4010293288, 5012866610, 10025733220, 20051466440]

約数ペア:

[(1, 20051466440), (2, 10025733220), (4, 5012866610), (5, 4010293288), (8, 2506433305), (10, 2005146644), (20, 1002573322), (40, 501286661)]