20054405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 9494395

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 569, 665, 1007, 1855, 2845, 3983, 5035, 7049, 10811, 19915, 30157, 35245, 54055, 75677, 150785, 211099, 378385, 572983, 1055495, 2864915, 4010881, 20054405]

約数ペア:

[(1, 20054405), (5, 4010881), (7, 2864915), (19, 1055495), (35, 572983), (53, 378385), (95, 211099), (133, 150785), (265, 75677), (371, 54055), (569, 35245), (665, 30157), (1007, 19915), (1855, 10811), (2845, 7049), (3983, 5035)]