20172272939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{43783}}^1$

素因数の和:43947

約数の個数: 32

約数和(自身を含む): 25539032064

約数和(自身を除く): 5366759125

約数列:

[1, 7, 13, 61, 83, 91, 427, 581, 793, 1079, 5063, 5551, 7553, 35441, 43783, 65819, 306481, 460733, 569179, 2670763, 3633989, 3984253, 18695341, 25437923, 34719919, 47241857, 221673329, 243039433, 330692999, 1551713303, 2881753277, 20172272939]

約数ペア:

[(1, 20172272939), (7, 2881753277), (13, 1551713303), (61, 330692999), (83, 243039433), (91, 221673329), (427, 47241857), (581, 34719919), (793, 25437923), (1079, 18695341), (5063, 3984253), (5551, 3633989), (7553, 2670763), (35441, 569179), (43783, 460733), (65819, 306481)]