20280384

素因数分解:

$2^6\times 3^2\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 84

約数和(自身を含む): 58782204

約数和(自身を除く): 38501820

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 137, 144, 192, 257, 274, 288, 411, 514, 548, 576, 771, 822, 1028, 1096, 1233, 1542, 1644, 2056, 2192, 2313, 2466, 3084, 3288, 4112, 4384, 4626, 4932, 6168, 6576, 8224, 8768, 9252, 9864, 12336, 13152, 16448, 18504, 19728, 24672, 26304, 35209, 37008, 39456, 49344, 70418, 74016, 78912, 105627, 140836, 148032, 211254, 281672, 316881, 422508, 563344, 633762, 845016, 1126688, 1267524, 1690032, 2253376, 2535048, 3380064, 5070096, 6760128, 10140192, 20280384]

約数ペア:

[(1, 20280384), (2, 10140192), (3, 6760128), (4, 5070096), (6, 3380064), (8, 2535048), (9, 2253376), (12, 1690032), (16, 1267524), (18, 1126688), (24, 845016), (32, 633762), (36, 563344), (48, 422508), (64, 316881), (72, 281672), (96, 211254), (137, 148032), (144, 140836), (192, 105627), (257, 78912), (274, 74016), (288, 70418), (411, 49344), (514, 39456), (548, 37008), (576, 35209), (771, 26304), (822, 24672), (1028, 19728), (1096, 18504), (1233, 16448), (1542, 13152), (1644, 12336), (2056, 9864), (2192, 9252), (2313, 8768), (2466, 8224), (3084, 6576), (3288, 6168), (4112, 4932), (4384, 4626)]