20997924

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102931}}^1$

素因数の和:102955

約数の個数: 24

約数和(自身を含む): 51877728

約数和(自身を除く): 30879804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102931, 205862, 308793, 411724, 617586, 1235172, 1749827, 3499654, 5249481, 6999308, 10498962, 20997924]

約数ペア:

[(1, 20997924), (2, 10498962), (3, 6999308), (4, 5249481), (6, 3499654), (12, 1749827), (17, 1235172), (34, 617586), (51, 411724), (68, 308793), (102, 205862), (204, 102931)]