20101698

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 45634680

約数和(自身を除く): 25532982

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 97, 174, 194, 261, 291, 397, 522, 582, 794, 873, 1191, 1746, 2382, 2813, 3573, 5626, 7146, 8439, 11513, 16878, 23026, 25317, 34539, 38509, 50634, 69078, 77018, 103617, 115527, 207234, 231054, 346581, 693162, 1116761, 2233522, 3350283, 6700566, 10050849, 20101698]

約数ペア:

[(1, 20101698), (2, 10050849), (3, 6700566), (6, 3350283), (9, 2233522), (18, 1116761), (29, 693162), (58, 346581), (87, 231054), (97, 207234), (174, 115527), (194, 103617), (261, 77018), (291, 69078), (397, 50634), (522, 38509), (582, 34539), (794, 25317), (873, 23026), (1191, 16878), (1746, 11513), (2382, 8439), (2813, 7146), (3573, 5626)]