20587089

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5087}}^1$

素因数の和:5180

約数の個数: 16

約数和(自身を含む): 29306880

約数和(自身を除く): 8719791

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5087, 15261, 96653, 289959, 361177, 1083531, 6862363, 20587089]

約数ペア:

[(1, 20587089), (3, 6862363), (19, 1083531), (57, 361177), (71, 289959), (213, 96653), (1349, 15261), (4047, 5087)]