20804948290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10248743}}^1$

素因数の和:10248786

約数の個数: 32

約数和(自身を含む): 44274574080

約数和(自身を除く): 23469625790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10248743, 20497486, 51243715, 71741201, 102487430, 143482402, 297213547, 358706005, 594427094, 717412010, 1486067735, 2080494829, 2972135470, 4160989658, 10402474145, 20804948290]

約数ペア:

[(1, 20804948290), (2, 10402474145), (5, 4160989658), (7, 2972135470), (10, 2080494829), (14, 1486067735), (29, 717412010), (35, 594427094), (58, 358706005), (70, 297213547), (145, 143482402), (203, 102487430), (290, 71741201), (406, 51243715), (1015, 20497486), (2030, 10248743)]