20609567223

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1\times {\mathrm{39971}}^1$

素因数の和:40595

約数の個数: 32

約数和(自身を含む): 32192489472

約数和(自身を除く): 11582922249

約数列:

[1, 3, 7, 21, 43, 129, 301, 571, 903, 1713, 3997, 11991, 24553, 39971, 73659, 119913, 171871, 279797, 515613, 839391, 1718753, 5156259, 12031271, 22823441, 36093813, 68470323, 159764087, 479292261, 981407963, 2944223889, 6869855741, 20609567223]

約数ペア:

[(1, 20609567223), (3, 6869855741), (7, 2944223889), (21, 981407963), (43, 479292261), (129, 159764087), (301, 68470323), (571, 36093813), (903, 22823441), (1713, 12031271), (3997, 5156259), (11991, 1718753), (24553, 839391), (39971, 515613), (73659, 279797), (119913, 171871)]