20461774

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1399}}^1$

素因数の和:1575

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 10987826

約数列:

[1, 2, 71, 103, 142, 206, 1399, 2798, 7313, 14626, 99329, 144097, 198658, 288194, 10230887, 20461774]

約数ペア:

[(1, 20461774), (2, 10230887), (71, 288194), (103, 198658), (142, 144097), (206, 99329), (1399, 14626), (2798, 7313)]