20508733

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3761}}^1$

素因数の和:3828

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 4771907

約数列:

[1, 7, 19, 41, 133, 287, 779, 3761, 5453, 26327, 71459, 154201, 500213, 1079407, 2929819, 20508733]

約数ペア:

[(1, 20508733), (7, 2929819), (19, 1079407), (41, 500213), (133, 154201), (287, 71459), (779, 26327), (3761, 5453)]