20445733

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 26046720

約数和(自身を除く): 5600987

約数列:

[1, 7, 11, 77, 101, 121, 239, 707, 847, 1111, 1673, 2629, 7777, 12221, 18403, 24139, 28919, 85547, 168973, 202433, 265529, 1858703, 2920819, 20445733]

約数ペア:

[(1, 20445733), (7, 2920819), (11, 1858703), (77, 265529), (101, 202433), (121, 168973), (239, 85547), (707, 28919), (847, 24139), (1111, 18403), (1673, 12221), (2629, 7777)]