20258996312

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{64951}}^1$

素因数の和:65391

約数の個数: 32

約数和(自身を含む): 38410014720

約数和(自身を除く): 18151018408

約数列:

[1, 2, 4, 8, 127, 254, 307, 508, 614, 1016, 1228, 2456, 38989, 64951, 77978, 129902, 155956, 259804, 311912, 519608, 8248777, 16497554, 19939957, 32995108, 39879914, 65990216, 79759828, 159519656, 2532374539, 5064749078, 10129498156, 20258996312]

約数ペア:

[(1, 20258996312), (2, 10129498156), (4, 5064749078), (8, 2532374539), (127, 159519656), (254, 79759828), (307, 65990216), (508, 39879914), (614, 32995108), (1016, 19939957), (1228, 16497554), (2456, 8248777), (38989, 519608), (64951, 311912), (77978, 259804), (129902, 155956)]