20928972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102593}}^1$

素因数の和:102617

約数の個数: 24

約数和(自身を含む): 51707376

約数和(自身を除く): 30778404

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102593, 205186, 307779, 410372, 615558, 1231116, 1744081, 3488162, 5232243, 6976324, 10464486, 20928972]

約数ペア:

[(1, 20928972), (2, 10464486), (3, 6976324), (4, 5232243), (6, 3488162), (12, 1744081), (17, 1231116), (34, 615558), (51, 410372), (68, 307779), (102, 205186), (204, 102593)]