22197904

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{20707}}^1$

素因数の和:20782

約数の個数: 20

約数和(自身を含む): 43652464

約数和(自身を除く): 21454560

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 20707, 41414, 82828, 165656, 331312, 1387369, 2774738, 5549476, 11098952, 22197904]

約数ペア:

[(1, 22197904), (2, 11098952), (4, 5549476), (8, 2774738), (16, 1387369), (67, 331312), (134, 165656), (268, 82828), (536, 41414), (1072, 20707)]