20315312

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43783}}^1$

素因数の和:43820

約数の個数: 20

約数和(自身を含む): 40719120

約数和(自身を除く): 20403808

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43783, 87566, 175132, 350264, 700528, 1269707, 2539414, 5078828, 10157656, 20315312]

約数ペア:

[(1, 20315312), (2, 10157656), (4, 5078828), (8, 2539414), (16, 1269707), (29, 700528), (58, 350264), (116, 175132), (232, 87566), (464, 43783)]