27938620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13831}}^1$

素因数の和:13941

約数の個数: 24

約数和(自身を含む): 59256288

約数和(自身を除く): 31317668

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 13831, 27662, 55324, 69155, 138310, 276620, 1396931, 2793862, 5587724, 6984655, 13969310, 27938620]

約数ペア:

[(1, 27938620), (2, 13969310), (4, 6984655), (5, 5587724), (10, 2793862), (20, 1396931), (101, 276620), (202, 138310), (404, 69155), (505, 55324), (1010, 27662), (2020, 13831)]