20199167968

素因数分解:

$2^5\times 7^1\times {\mathrm{277}}^1\times {\mathrm{325541}}^1$

素因数の和:325835

約数の個数: 48

約数和(自身を含む): 45612340704

約数和(自身を除く): 25413172736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 277, 554, 1108, 1939, 2216, 3878, 4432, 7756, 8864, 15512, 31024, 62048, 325541, 651082, 1302164, 2278787, 2604328, 4557574, 5208656, 9115148, 10417312, 18230296, 36460592, 72921184, 90174857, 180349714, 360699428, 631223999, 721398856, 1262447998, 1442797712, 2524895996, 2885595424, 5049791992, 10099583984, 20199167968]

約数ペア:

[(1, 20199167968), (2, 10099583984), (4, 5049791992), (7, 2885595424), (8, 2524895996), (14, 1442797712), (16, 1262447998), (28, 721398856), (32, 631223999), (56, 360699428), (112, 180349714), (224, 90174857), (277, 72921184), (554, 36460592), (1108, 18230296), (1939, 10417312), (2216, 9115148), (3878, 5208656), (4432, 4557574), (7756, 2604328), (8864, 2278787), (15512, 1302164), (31024, 651082), (62048, 325541)]