20814892

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1993}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 41762336

約数和(自身を除く): 20947444

約数列:

[1, 2, 4, 7, 14, 28, 373, 746, 1492, 1993, 2611, 3986, 5222, 7972, 10444, 13951, 27902, 55804, 743389, 1486778, 2973556, 5203723, 10407446, 20814892]

約数ペア:

[(1, 20814892), (2, 10407446), (4, 5203723), (7, 2973556), (14, 1486778), (28, 743389), (373, 55804), (746, 27902), (1492, 13951), (1993, 10444), (2611, 7972), (3986, 5222)]