20273764

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31481}}^1$

素因数の和:31515

約数の個数: 24

約数和(自身を含む): 42311808

約数和(自身を除く): 22038044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31481, 62962, 125924, 220367, 440734, 724063, 881468, 1448126, 2896252, 5068441, 10136882, 20273764]

約数ペア:

[(1, 20273764), (2, 10136882), (4, 5068441), (7, 2896252), (14, 1448126), (23, 881468), (28, 724063), (46, 440734), (92, 220367), (161, 125924), (322, 62962), (644, 31481)]