20355552

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 144

約数和(自身を含む): 69189120

約数和(自身を除く): 48833568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 252, 276, 288, 322, 336, 368, 414, 439, 483, 504, 552, 644, 672, 736, 828, 878, 966, 1008, 1104, 1288, 1317, 1449, 1656, 1756, 1932, 2016, 2208, 2576, 2634, 2898, 3073, 3312, 3512, 3864, 3951, 5152, 5268, 5796, 6146, 6624, 7024, 7728, 7902, 9219, 10097, 10536, 11592, 12292, 14048, 15456, 15804, 18438, 20194, 21072, 23184, 24584, 27657, 30291, 31608, 36876, 40388, 42144, 46368, 49168, 55314, 60582, 63216, 70679, 73752, 80776, 90873, 98336, 110628, 121164, 126432, 141358, 147504, 161552, 181746, 212037, 221256, 242328, 282716, 295008, 323104, 363492, 424074, 442512, 484656, 565432, 636111, 726984, 848148, 885024, 969312, 1130864, 1272222, 1453968, 1696296, 2261728, 2544444, 2907936, 3392592, 5088888, 6785184, 10177776, 20355552]

約数ペア:

[(1, 20355552), (2, 10177776), (3, 6785184), (4, 5088888), (6, 3392592), (7, 2907936), (8, 2544444), (9, 2261728), (12, 1696296), (14, 1453968), (16, 1272222), (18, 1130864), (21, 969312), (23, 885024), (24, 848148), (28, 726984), (32, 636111), (36, 565432), (42, 484656), (46, 442512), (48, 424074), (56, 363492), (63, 323104), (69, 295008), (72, 282716), (84, 242328), (92, 221256), (96, 212037), (112, 181746), (126, 161552), (138, 147504), (144, 141358), (161, 126432), (168, 121164), (184, 110628), (207, 98336), (224, 90873), (252, 80776), (276, 73752), (288, 70679), (322, 63216), (336, 60582), (368, 55314), (414, 49168), (439, 46368), (483, 42144), (504, 40388), (552, 36876), (644, 31608), (672, 30291), (736, 27657), (828, 24584), (878, 23184), (966, 21072), (1008, 20194), (1104, 18438), (1288, 15804), (1317, 15456), (1449, 14048), (1656, 12292), (1756, 11592), (1932, 10536), (2016, 10097), (2208, 9219), (2576, 7902), (2634, 7728), (2898, 7024), (3073, 6624), (3312, 6146), (3512, 5796), (3864, 5268), (3951, 5152)]