20109047049

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{402511}}^1$

素因数の和:402598

約数の個数: 48

約数和(自身を含む): 36335563264

約数和(自身を除く): 16226516215

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 427, 549, 793, 819, 1281, 2379, 3843, 5551, 7137, 16653, 49959, 402511, 1207533, 2817577, 3622599, 5232643, 8452731, 15697929, 24553171, 25358193, 36628501, 47093787, 73659513, 109885503, 171872197, 220978539, 319191223, 329656509, 515616591, 957573669, 1546849773, 2234338561, 2872721007, 6703015683, 20109047049]

約数ペア:

[(1, 20109047049), (3, 6703015683), (7, 2872721007), (9, 2234338561), (13, 1546849773), (21, 957573669), (39, 515616591), (61, 329656509), (63, 319191223), (91, 220978539), (117, 171872197), (183, 109885503), (273, 73659513), (427, 47093787), (549, 36628501), (793, 25358193), (819, 24553171), (1281, 15697929), (2379, 8452731), (3843, 5232643), (5551, 3622599), (7137, 2817577), (16653, 1207533), (49959, 402511)]