20443335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6521}}^1$

素因数の和:6559

約数の個数: 32

約数和(自身を含む): 37566720

約数和(自身を除く): 17123385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6521, 19563, 32605, 71731, 97815, 123899, 215193, 358655, 371697, 619495, 1075965, 1362889, 1858485, 4088667, 6814445, 20443335]

約数ペア:

[(1, 20443335), (3, 6814445), (5, 4088667), (11, 1858485), (15, 1362889), (19, 1075965), (33, 619495), (55, 371697), (57, 358655), (95, 215193), (165, 123899), (209, 97815), (285, 71731), (627, 32605), (1045, 19563), (3135, 6521)]