20255416

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{41507}}^1$

素因数の和:41574

約数の個数: 16

約数和(自身を含む): 38602440

約数和(自身を除く): 18347024

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 41507, 83014, 166028, 332056, 2531927, 5063854, 10127708, 20255416]

約数ペア:

[(1, 20255416), (2, 10127708), (4, 5063854), (8, 2531927), (61, 332056), (122, 166028), (244, 83014), (488, 41507)]