20163621580

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{937}}^1\times {\mathrm{3083}}^1$

素因数の和:4378

約数の個数: 48

約数和(自身を含む): 42524042400

約数和(自身を除く): 22360420820

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 937, 1396, 1745, 1874, 3083, 3490, 3748, 4685, 6166, 6980, 9370, 12332, 15415, 18740, 30830, 61660, 327013, 654026, 1075967, 1308052, 1635065, 2151934, 2888771, 3270130, 4303868, 5379835, 5777542, 6540260, 10759670, 11555084, 14443855, 21519340, 28887710, 57775420, 1008181079, 2016362158, 4032724316, 5040905395, 10081810790, 20163621580]

約数ペア:

[(1, 20163621580), (2, 10081810790), (4, 5040905395), (5, 4032724316), (10, 2016362158), (20, 1008181079), (349, 57775420), (698, 28887710), (937, 21519340), (1396, 14443855), (1745, 11555084), (1874, 10759670), (3083, 6540260), (3490, 5777542), (3748, 5379835), (4685, 4303868), (6166, 3270130), (6980, 2888771), (9370, 2151934), (12332, 1635065), (15415, 1308052), (18740, 1075967), (30830, 654026), (61660, 327013)]