20067860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24473}}^1$

素因数の和:24523

約数の個数: 24

約数和(自身を含む): 43172136

約数和(自身を除く): 23104276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24473, 48946, 97892, 122365, 244730, 489460, 1003393, 2006786, 4013572, 5016965, 10033930, 20067860]

約数ペア:

[(1, 20067860), (2, 10033930), (4, 5016965), (5, 4013572), (10, 2006786), (20, 1003393), (41, 489460), (82, 244730), (164, 122365), (205, 97892), (410, 48946), (820, 24473)]