20756612799

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{3391}}^1\times {\mathrm{5813}}^1$

素因数の和:9229

約数の個数: 40

約数和(自身を含む): 33407523072

約数和(自身を除く): 12650910273

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 3391, 5813, 10173, 17439, 30519, 44083, 52317, 75569, 91557, 132249, 156951, 226707, 274671, 396747, 470853, 680121, 1190241, 2040363, 3570723, 6121089, 19711883, 59135649, 177406947, 256254479, 532220841, 768763437, 1596662523, 2306290311, 6918870933, 20756612799]

約数ペア:

[(1, 20756612799), (3, 6918870933), (9, 2306290311), (13, 1596662523), (27, 768763437), (39, 532220841), (81, 256254479), (117, 177406947), (351, 59135649), (1053, 19711883), (3391, 6121089), (5813, 3570723), (10173, 2040363), (17439, 1190241), (30519, 680121), (44083, 470853), (52317, 396747), (75569, 274671), (91557, 226707), (132249, 156951)]