20945764

素因数分解:

$2^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{983}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 41989248

約数和(自身を除く): 21043484

約数列:

[1, 2, 4, 7, 14, 28, 761, 983, 1522, 1966, 3044, 3932, 5327, 6881, 10654, 13762, 21308, 27524, 748063, 1496126, 2992252, 5236441, 10472882, 20945764]

約数ペア:

[(1, 20945764), (2, 10472882), (4, 5236441), (7, 2992252), (14, 1496126), (28, 748063), (761, 27524), (983, 21308), (1522, 13762), (1966, 10654), (3044, 6881), (3932, 5327)]