20207169

素因数分解:

$3^2\times {\mathrm{17}}^3\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 24

約数和(自身を含む): 31079880

約数和(自身を除く): 10872711

約数列:

[1, 3, 9, 17, 51, 153, 289, 457, 867, 1371, 2601, 4113, 4913, 7769, 14739, 23307, 44217, 69921, 132073, 396219, 1188657, 2245241, 6735723, 20207169]

約数ペア:

[(1, 20207169), (3, 6735723), (9, 2245241), (17, 1188657), (51, 396219), (153, 132073), (289, 69921), (457, 44217), (867, 23307), (1371, 14739), (2601, 7769), (4113, 4913)]