20382507

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 31505760

約数和(自身を除く): 11123253

約数列:

[1, 3, 9, 17, 51, 101, 153, 303, 909, 1319, 1717, 3957, 5151, 11871, 15453, 22423, 67269, 133219, 201807, 399657, 1198971, 2264723, 6794169, 20382507]

約数ペア:

[(1, 20382507), (3, 6794169), (9, 2264723), (17, 1198971), (51, 399657), (101, 201807), (153, 133219), (303, 67269), (909, 22423), (1319, 15453), (1717, 11871), (3957, 5151)]