20499711

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4159}}^1$

素因数の和:4246

約数の個数: 16

約数和(自身を含む): 28753920

約数和(自身を除く): 8254209

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4159, 4929, 12477, 128929, 220427, 386787, 661281, 6833237, 20499711]

約数ペア:

[(1, 20499711), (3, 6833237), (31, 661281), (53, 386787), (93, 220427), (159, 128929), (1643, 12477), (4159, 4929)]