20966764

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57601}}^1$

素因数の和:57625

約数の個数: 24

約数和(自身を含む): 45159968

約数和(自身を除く): 24193204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57601, 115202, 230404, 403207, 748813, 806414, 1497626, 1612828, 2995252, 5241691, 10483382, 20966764]

約数ペア:

[(1, 20966764), (2, 10483382), (4, 5241691), (7, 2995252), (13, 1612828), (14, 1497626), (26, 806414), (28, 748813), (52, 403207), (91, 230404), (182, 115202), (364, 57601)]