20674227

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8273}}^1$

素因数の和:8307

約数の個数: 24

約数和(自身を含む): 33956496

約数和(自身を除く): 13282269

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8273, 24819, 57911, 140641, 173733, 405377, 421923, 984487, 1216131, 2953461, 6891409, 20674227]

約数ペア:

[(1, 20674227), (3, 6891409), (7, 2953461), (17, 1216131), (21, 984487), (49, 421923), (51, 405377), (119, 173733), (147, 140641), (357, 57911), (833, 24819), (2499, 8273)]