20149245

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 36533952

約数和(自身を除く): 16384707

約数列:

[1, 3, 5, 9, 15, 41, 45, 67, 123, 163, 201, 205, 335, 369, 489, 603, 615, 815, 1005, 1467, 1845, 2445, 2747, 3015, 6683, 7335, 8241, 10921, 13735, 20049, 24723, 32763, 33415, 41205, 54605, 60147, 98289, 100245, 123615, 163815, 300735, 447761, 491445, 1343283, 2238805, 4029849, 6716415, 20149245]

約数ペア:

[(1, 20149245), (3, 6716415), (5, 4029849), (9, 2238805), (15, 1343283), (41, 491445), (45, 447761), (67, 300735), (123, 163815), (163, 123615), (201, 100245), (205, 98289), (335, 60147), (369, 54605), (489, 41205), (603, 33415), (615, 32763), (815, 24723), (1005, 20049), (1467, 13735), (1845, 10921), (2445, 8241), (2747, 7335), (3015, 6683)]