20123762704

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4782263}}^1$

素因数の和:4782534

約数の個数: 20

約数和(自身を含む): 39138048576

約数和(自身を除く): 19014285872

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4782263, 9564526, 19129052, 38258104, 76516208, 1257735169, 2515470338, 5030940676, 10061881352, 20123762704]

約数ペア:

[(1, 20123762704), (2, 10061881352), (4, 5030940676), (8, 2515470338), (16, 1257735169), (263, 76516208), (526, 38258104), (1052, 19129052), (2104, 9564526), (4208, 4782263)]