20723756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{743}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 38330880

約数和(自身を除く): 17607124

約数列:

[1, 2, 4, 19, 38, 76, 367, 734, 743, 1468, 1486, 2972, 6973, 13946, 14117, 27892, 28234, 56468, 272681, 545362, 1090724, 5180939, 10361878, 20723756]

約数ペア:

[(1, 20723756), (2, 10361878), (4, 5180939), (19, 1090724), (38, 545362), (76, 272681), (367, 56468), (734, 28234), (743, 27892), (1468, 14117), (1486, 13946), (2972, 6973)]