20690688

素因数分解:

$2^8\times 3^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 57027600

約数和(自身を除く): 36336912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 464, 696, 768, 928, 929, 1392, 1856, 1858, 2784, 2787, 3712, 3716, 5568, 5574, 7424, 7432, 11136, 11148, 14864, 22272, 22296, 26941, 29728, 44592, 53882, 59456, 80823, 89184, 107764, 118912, 161646, 178368, 215528, 237824, 323292, 356736, 431056, 646584, 713472, 862112, 1293168, 1724224, 2586336, 3448448, 5172672, 6896896, 10345344, 20690688]

約数ペア:

[(1, 20690688), (2, 10345344), (3, 6896896), (4, 5172672), (6, 3448448), (8, 2586336), (12, 1724224), (16, 1293168), (24, 862112), (29, 713472), (32, 646584), (48, 431056), (58, 356736), (64, 323292), (87, 237824), (96, 215528), (116, 178368), (128, 161646), (174, 118912), (192, 107764), (232, 89184), (256, 80823), (348, 59456), (384, 53882), (464, 44592), (696, 29728), (768, 26941), (928, 22296), (929, 22272), (1392, 14864), (1856, 11148), (1858, 11136), (2784, 7432), (2787, 7424), (3712, 5574), (3716, 5568)]