20318068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3221}}^1$

素因数の和:3327

約数の個数: 24

約数和(自身を含む): 37890720

約数和(自身を除く): 17572652

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 3221, 6308, 6442, 12884, 61199, 122398, 244796, 267343, 534686, 1069372, 5079517, 10159034, 20318068]

約数ペア:

[(1, 20318068), (2, 10159034), (4, 5079517), (19, 1069372), (38, 534686), (76, 267343), (83, 244796), (166, 122398), (332, 61199), (1577, 12884), (3154, 6442), (3221, 6308)]