20165459415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{27073}}^1$

素因数の和:27248

約数の個数: 64

約数和(自身を含む): 35930013696

約数和(自身を除く): 15764554281

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 127, 255, 345, 381, 391, 635, 1173, 1905, 1955, 2159, 2921, 5865, 6477, 8763, 10795, 14605, 27073, 32385, 43815, 49657, 81219, 135365, 148971, 248285, 406095, 460241, 622679, 744855, 1380723, 1868037, 2301205, 3113395, 3438271, 6903615, 9340185, 10314813, 10585543, 17191355, 31756629, 51574065, 52927715, 58450607, 79080233, 158783145, 175351821, 237240699, 292253035, 395401165, 876759105, 1186203495, 1344363961, 4033091883, 6721819805, 20165459415]

約数ペア:

[(1, 20165459415), (3, 6721819805), (5, 4033091883), (15, 1344363961), (17, 1186203495), (23, 876759105), (51, 395401165), (69, 292253035), (85, 237240699), (115, 175351821), (127, 158783145), (255, 79080233), (345, 58450607), (381, 52927715), (391, 51574065), (635, 31756629), (1173, 17191355), (1905, 10585543), (1955, 10314813), (2159, 9340185), (2921, 6903615), (5865, 3438271), (6477, 3113395), (8763, 2301205), (10795, 1868037), (14605, 1380723), (27073, 744855), (32385, 622679), (43815, 460241), (49657, 406095), (81219, 248285), (135365, 148971)]