20692778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{4127}}^1$

素因数の和:4261

約数の個数: 16

約数和(自身を含む): 32693760

約数和(自身を除く): 12000982

約数列:

[1, 2, 23, 46, 109, 218, 2507, 4127, 5014, 8254, 94921, 189842, 449843, 899686, 10346389, 20692778]

約数ペア:

[(1, 20692778), (2, 10346389), (23, 899686), (46, 449843), (109, 189842), (218, 94921), (2507, 8254), (4127, 5014)]