20173420160

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{174149}}^1$

素因数の和:174349

約数の個数: 64

約数和(自身を含む): 48493809000

約数和(自身を除く): 28320388840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 640, 724, 905, 1448, 1810, 2896, 3620, 5792, 7240, 11584, 14480, 23168, 28960, 57920, 115840, 174149, 348298, 696596, 870745, 1393192, 1741490, 2786384, 3482980, 5572768, 6965960, 11145536, 13931920, 22291072, 27863840, 31520969, 55727680, 63041938, 111455360, 126083876, 157604845, 252167752, 315209690, 504335504, 630419380, 1008671008, 1260838760, 2017342016, 2521677520, 4034684032, 5043355040, 10086710080, 20173420160]

約数ペア:

[(1, 20173420160), (2, 10086710080), (4, 5043355040), (5, 4034684032), (8, 2521677520), (10, 2017342016), (16, 1260838760), (20, 1008671008), (32, 630419380), (40, 504335504), (64, 315209690), (80, 252167752), (128, 157604845), (160, 126083876), (181, 111455360), (320, 63041938), (362, 55727680), (640, 31520969), (724, 27863840), (905, 22291072), (1448, 13931920), (1810, 11145536), (2896, 6965960), (3620, 5572768), (5792, 3482980), (7240, 2786384), (11584, 1741490), (14480, 1393192), (23168, 870745), (28960, 696596), (57920, 348298), (115840, 174149)]