20778811209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1\times {\mathrm{6131}}^1$

素因数の和:6582

約数の個数: 48

約数和(自身を含む): 32811105600

約数和(自身を除く): 12032294391

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 349, 747, 1047, 1079, 3141, 3237, 4537, 6131, 9711, 13611, 18393, 28967, 40833, 55179, 79703, 86901, 239109, 260703, 376571, 508873, 717327, 1129713, 1526619, 2139719, 3389139, 4579857, 6419157, 6615349, 19257471, 19846047, 27816347, 59538141, 83449041, 177596677, 250347123, 532790031, 1598370093, 2308756801, 6926270403, 20778811209]

約数ペア:

[(1, 20778811209), (3, 6926270403), (9, 2308756801), (13, 1598370093), (39, 532790031), (83, 250347123), (117, 177596677), (249, 83449041), (349, 59538141), (747, 27816347), (1047, 19846047), (1079, 19257471), (3141, 6615349), (3237, 6419157), (4537, 4579857), (6131, 3389139), (9711, 2139719), (13611, 1526619), (18393, 1129713), (28967, 717327), (40833, 508873), (55179, 376571), (79703, 260703), (86901, 239109)]