20658889684

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1\times {\mathrm{881}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 36895824000

約数和(自身を除く): 16236934316

約数列:

[1, 2, 4, 89, 178, 199, 331, 356, 398, 662, 796, 881, 1324, 1762, 3524, 17711, 29459, 35422, 58918, 65869, 70844, 78409, 117836, 131738, 156818, 175319, 263476, 291611, 313636, 350638, 583222, 701276, 1166444, 5862341, 11724682, 15603391, 23449364, 25953379, 31206782, 51906758, 58030589, 62413564, 103813516, 116061178, 232122356, 5164722421, 10329444842, 20658889684]

約数ペア:

[(1, 20658889684), (2, 10329444842), (4, 5164722421), (89, 232122356), (178, 116061178), (199, 103813516), (331, 62413564), (356, 58030589), (398, 51906758), (662, 31206782), (796, 25953379), (881, 23449364), (1324, 15603391), (1762, 11724682), (3524, 5862341), (17711, 1166444), (29459, 701276), (35422, 583222), (58918, 350638), (65869, 313636), (70844, 291611), (78409, 263476), (117836, 175319), (131738, 156818)]