20041276

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13879}}^1$

素因数の和:13921

約数の個数: 18

約数和(自身を含む): 37017960

約数和(自身を除く): 16976684

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13879, 27758, 55516, 263701, 527402, 1054804, 5010319, 10020638, 20041276]

約数ペア:

[(1, 20041276), (2, 10020638), (4, 5010319), (19, 1054804), (38, 527402), (76, 263701), (361, 55516), (722, 27758), (1444, 13879)]