20177808

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 63442368

約数和(自身を除く): 43264560

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 49, 56, 69, 84, 92, 98, 112, 138, 147, 161, 168, 184, 196, 276, 294, 322, 336, 368, 373, 392, 483, 552, 588, 644, 746, 784, 966, 1104, 1119, 1127, 1176, 1288, 1492, 1932, 2238, 2254, 2352, 2576, 2611, 2984, 3381, 3864, 4476, 4508, 5222, 5968, 6762, 7728, 7833, 8579, 8952, 9016, 10444, 13524, 15666, 17158, 17904, 18032, 18277, 20888, 25737, 27048, 31332, 34316, 36554, 41776, 51474, 54096, 54831, 60053, 62664, 68632, 73108, 102948, 109662, 120106, 125328, 137264, 146216, 180159, 205896, 219324, 240212, 292432, 360318, 411792, 420371, 438648, 480424, 720636, 840742, 877296, 960848, 1261113, 1441272, 1681484, 2522226, 2882544, 3362968, 5044452, 6725936, 10088904, 20177808]

約数ペア:

[(1, 20177808), (2, 10088904), (3, 6725936), (4, 5044452), (6, 3362968), (7, 2882544), (8, 2522226), (12, 1681484), (14, 1441272), (16, 1261113), (21, 960848), (23, 877296), (24, 840742), (28, 720636), (42, 480424), (46, 438648), (48, 420371), (49, 411792), (56, 360318), (69, 292432), (84, 240212), (92, 219324), (98, 205896), (112, 180159), (138, 146216), (147, 137264), (161, 125328), (168, 120106), (184, 109662), (196, 102948), (276, 73108), (294, 68632), (322, 62664), (336, 60053), (368, 54831), (373, 54096), (392, 51474), (483, 41776), (552, 36554), (588, 34316), (644, 31332), (746, 27048), (784, 25737), (966, 20888), (1104, 18277), (1119, 18032), (1127, 17904), (1176, 17158), (1288, 15666), (1492, 13524), (1932, 10444), (2238, 9016), (2254, 8952), (2352, 8579), (2576, 7833), (2611, 7728), (2984, 6762), (3381, 5968), (3864, 5222), (4476, 4508)]