20921387178

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{334603}}^1$

素因数の和:335238

約数の個数: 32

約数和(自身を含む): 44376520896

約数和(自身を除く): 23455133718

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 613, 1226, 1839, 3678, 10421, 20842, 31263, 62526, 334603, 669206, 1003809, 2007618, 5688251, 11376502, 17064753, 34129506, 205111639, 410223278, 615334917, 1230669834, 3486897863, 6973795726, 10460693589, 20921387178]

約数ペア:

[(1, 20921387178), (2, 10460693589), (3, 6973795726), (6, 3486897863), (17, 1230669834), (34, 615334917), (51, 410223278), (102, 205111639), (613, 34129506), (1226, 17064753), (1839, 11376502), (3678, 5688251), (10421, 2007618), (20842, 1003809), (31263, 669206), (62526, 334603)]