20870768724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4315709}}^1$

素因数の和:4315760

約数の個数: 48

約数和(自身を含む): 54136266240

約数和(自身を除く): 33265497516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 4315709, 8631418, 12947127, 17262836, 25894254, 51788508, 56104217, 112208434, 133786979, 168312651, 224416868, 267573958, 336625302, 401360937, 535147916, 673250604, 802721874, 1605443748, 1739230727, 3478461454, 5217692181, 6956922908, 10435384362, 20870768724]

約数ペア:

[(1, 20870768724), (2, 10435384362), (3, 6956922908), (4, 5217692181), (6, 3478461454), (12, 1739230727), (13, 1605443748), (26, 802721874), (31, 673250604), (39, 535147916), (52, 401360937), (62, 336625302), (78, 267573958), (93, 224416868), (124, 168312651), (156, 133786979), (186, 112208434), (372, 56104217), (403, 51788508), (806, 25894254), (1209, 17262836), (1612, 12947127), (2418, 8631418), (4836, 4315709)]