20316831

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1758

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 7676769

約数列:

[1, 3, 47, 89, 141, 267, 1619, 4183, 4857, 12549, 76093, 144091, 228279, 432273, 6772277, 20316831]

約数ペア:

[(1, 20316831), (3, 6772277), (47, 432273), (89, 228279), (141, 144091), (267, 76093), (1619, 12549), (4183, 4857)]