20235797248

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{63389}}^1$

素因数の和:63477

約数の個数: 72

約数和(自身を含む): 42757822800

約数和(自身を除く): 22522025552

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 64, 86, 116, 128, 172, 232, 256, 344, 464, 688, 928, 1247, 1376, 1856, 2494, 2752, 3712, 4988, 5504, 7424, 9976, 11008, 19952, 39904, 63389, 79808, 126778, 159616, 253556, 319232, 507112, 1014224, 1838281, 2028448, 2725727, 3676562, 4056896, 5451454, 7353124, 8113792, 10902908, 14706248, 16227584, 21805816, 29412496, 43611632, 58824992, 79046083, 87223264, 117649984, 158092166, 174446528, 235299968, 316184332, 348893056, 470599936, 632368664, 697786112, 1264737328, 2529474656, 5058949312, 10117898624, 20235797248]

約数ペア:

[(1, 20235797248), (2, 10117898624), (4, 5058949312), (8, 2529474656), (16, 1264737328), (29, 697786112), (32, 632368664), (43, 470599936), (58, 348893056), (64, 316184332), (86, 235299968), (116, 174446528), (128, 158092166), (172, 117649984), (232, 87223264), (256, 79046083), (344, 58824992), (464, 43611632), (688, 29412496), (928, 21805816), (1247, 16227584), (1376, 14706248), (1856, 10902908), (2494, 8113792), (2752, 7353124), (3712, 5451454), (4988, 4056896), (5504, 3676562), (7424, 2725727), (9976, 2028448), (11008, 1838281), (19952, 1014224), (39904, 507112), (63389, 319232), (79808, 253556), (126778, 159616)]