20807432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{373}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 41289600

約数和(自身を除く): 20482168

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 367, 373, 734, 746, 1468, 1492, 2936, 2984, 6973, 7087, 13946, 14174, 27892, 28348, 55784, 56696, 136891, 273782, 547564, 1095128, 2600929, 5201858, 10403716, 20807432]

約数ペア:

[(1, 20807432), (2, 10403716), (4, 5201858), (8, 2600929), (19, 1095128), (38, 547564), (76, 273782), (152, 136891), (367, 56696), (373, 55784), (734, 28348), (746, 27892), (1468, 14174), (1492, 13946), (2936, 7087), (2984, 6973)]