20565543135

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{475889}}^1$

素因数の和:476007

約数の個数: 32

約数和(自身を含む): 34172709120

約数和(自身を除く): 13607165985

約数列:

[1, 3, 5, 15, 43, 67, 129, 201, 215, 335, 645, 1005, 2881, 8643, 14405, 43215, 475889, 1427667, 2379445, 7138335, 20463227, 31884563, 61389681, 95653689, 102316135, 159422815, 306948405, 478268445, 1371036209, 4113108627, 6855181045, 20565543135]

約数ペア:

[(1, 20565543135), (3, 6855181045), (5, 4113108627), (15, 1371036209), (43, 478268445), (67, 306948405), (129, 159422815), (201, 102316135), (215, 95653689), (335, 61389681), (645, 31884563), (1005, 20463227), (2881, 7138335), (8643, 2379445), (14405, 1427667), (43215, 475889)]