20724326

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4583}}^1$

素因数の和:4628

約数の個数: 32

約数和(自身を含む): 39605760

約数和(自身を除く): 18881434

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4583, 9166, 32081, 64162, 77911, 87077, 155822, 174154, 545377, 609539, 1090754, 1219078, 1480309, 2960618, 10362163, 20724326]

約数ペア:

[(1, 20724326), (2, 10362163), (7, 2960618), (14, 1480309), (17, 1219078), (19, 1090754), (34, 609539), (38, 545377), (119, 174154), (133, 155822), (238, 87077), (266, 77911), (323, 64162), (646, 32081), (2261, 9166), (4522, 4583)]