20367025960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{111833}}^1$

素因数の和:112030

約数の個数: 64

約数和(自身を含む): 47708384400

約数和(自身を除く): 27341358440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 157, 232, 290, 314, 580, 628, 785, 1160, 1256, 1570, 3140, 4553, 6280, 9106, 18212, 22765, 36424, 45530, 91060, 111833, 182120, 223666, 447332, 559165, 894664, 1118330, 2236660, 3243157, 4473320, 6486314, 12972628, 16215785, 17557781, 25945256, 32431570, 35115562, 64863140, 70231124, 87788905, 129726280, 140462248, 175577810, 351155620, 509175649, 702311240, 1018351298, 2036702596, 2545878245, 4073405192, 5091756490, 10183512980, 20367025960]

約数ペア:

[(1, 20367025960), (2, 10183512980), (4, 5091756490), (5, 4073405192), (8, 2545878245), (10, 2036702596), (20, 1018351298), (29, 702311240), (40, 509175649), (58, 351155620), (116, 175577810), (145, 140462248), (157, 129726280), (232, 87788905), (290, 70231124), (314, 64863140), (580, 35115562), (628, 32431570), (785, 25945256), (1160, 17557781), (1256, 16215785), (1570, 12972628), (3140, 6486314), (4553, 4473320), (6280, 3243157), (9106, 2236660), (18212, 1118330), (22765, 894664), (36424, 559165), (45530, 447332), (91060, 223666), (111833, 182120)]