20147054256

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{644747}}^1$

素因数の和:644799

約数の個数: 120

約数和(自身を含む): 66517361664

約数和(自身を除く): 46370307408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 651, 744, 868, 1008, 1116, 1302, 1488, 1736, 1953, 2232, 2604, 3472, 3906, 4464, 5208, 7812, 10416, 15624, 31248, 644747, 1289494, 1934241, 2578988, 3868482, 4513229, 5157976, 5802723, 7736964, 9026458, 10315952, 11605446, 13539687, 15473928, 18052916, 19987157, 23210892, 27079374, 30947856, 36105832, 39974314, 40619061, 46421784, 54158748, 59961471, 72211664, 79948628, 81238122, 92843568, 108317496, 119922942, 139910099, 159897256, 162476244, 179884413, 216634992, 239845884, 279820198, 319794512, 324952488, 359768826, 419730297, 479691768, 559640396, 649904976, 719537652, 839460594, 959383536, 1119280792, 1259190891, 1439075304, 1678921188, 2238561584, 2518381782, 2878150608, 3357842376, 5036763564, 6715684752, 10073527128, 20147054256]

約数ペア:

[(1, 20147054256), (2, 10073527128), (3, 6715684752), (4, 5036763564), (6, 3357842376), (7, 2878150608), (8, 2518381782), (9, 2238561584), (12, 1678921188), (14, 1439075304), (16, 1259190891), (18, 1119280792), (21, 959383536), (24, 839460594), (28, 719537652), (31, 649904976), (36, 559640396), (42, 479691768), (48, 419730297), (56, 359768826), (62, 324952488), (63, 319794512), (72, 279820198), (84, 239845884), (93, 216634992), (112, 179884413), (124, 162476244), (126, 159897256), (144, 139910099), (168, 119922942), (186, 108317496), (217, 92843568), (248, 81238122), (252, 79948628), (279, 72211664), (336, 59961471), (372, 54158748), (434, 46421784), (496, 40619061), (504, 39974314), (558, 36105832), (651, 30947856), (744, 27079374), (868, 23210892), (1008, 19987157), (1116, 18052916), (1302, 15473928), (1488, 13539687), (1736, 11605446), (1953, 10315952), (2232, 9026458), (2604, 7736964), (3472, 5802723), (3906, 5157976), (4464, 4513229), (5208, 3868482), (7812, 2578988), (10416, 1934241), (15624, 1289494), (31248, 644747)]