20284210688

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{332921}}^1$

素因数の和:332963

約数の個数: 80

約数和(自身を含む): 49043405664

約数和(自身を除く): 28759194976

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1088, 1792, 1904, 2176, 3584, 3808, 4352, 7616, 8704, 15232, 30464, 60928, 332921, 665842, 1331684, 2330447, 2663368, 4660894, 5326736, 5659657, 9321788, 10653472, 11319314, 18643576, 21306944, 22638628, 37287152, 39617599, 42613888, 45277256, 74574304, 79235198, 85227776, 90554512, 149148608, 158470396, 170455552, 181109024, 298297216, 316940792, 362218048, 596594432, 633881584, 724436096, 1193188864, 1267763168, 1448872192, 2535526336, 2897744384, 5071052672, 10142105344, 20284210688]

約数ペア:

[(1, 20284210688), (2, 10142105344), (4, 5071052672), (7, 2897744384), (8, 2535526336), (14, 1448872192), (16, 1267763168), (17, 1193188864), (28, 724436096), (32, 633881584), (34, 596594432), (56, 362218048), (64, 316940792), (68, 298297216), (112, 181109024), (119, 170455552), (128, 158470396), (136, 149148608), (224, 90554512), (238, 85227776), (256, 79235198), (272, 74574304), (448, 45277256), (476, 42613888), (512, 39617599), (544, 37287152), (896, 22638628), (952, 21306944), (1088, 18643576), (1792, 11319314), (1904, 10653472), (2176, 9321788), (3584, 5659657), (3808, 5326736), (4352, 4660894), (7616, 2663368), (8704, 2330447), (15232, 1331684), (30464, 665842), (60928, 332921)]