20115716

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 16273084

約数列:

[1, 2, 4, 37, 74, 148, 199, 398, 683, 796, 1366, 2732, 7363, 14726, 25271, 29452, 50542, 101084, 135917, 271834, 543668, 5028929, 10057858, 20115716]

約数ペア:

[(1, 20115716), (2, 10057858), (4, 5028929), (37, 543668), (74, 271834), (148, 135917), (199, 101084), (398, 50542), (683, 29452), (796, 25271), (1366, 14726), (2732, 7363)]