20199242620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{87299}}^1$

素因数の和:87834

約数の個数: 48

約数和(自身を含む): 44351193600

約数和(自身を除く): 24151950980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 503, 1006, 2012, 2515, 5030, 10060, 11569, 23138, 46276, 57845, 87299, 115690, 174598, 231380, 349196, 436495, 872990, 1745980, 2007877, 4015754, 8031508, 10039385, 20078770, 40157540, 43911397, 87822794, 175645588, 219556985, 439113970, 878227940, 1009962131, 2019924262, 4039848524, 5049810655, 10099621310, 20199242620]

約数ペア:

[(1, 20199242620), (2, 10099621310), (4, 5049810655), (5, 4039848524), (10, 2019924262), (20, 1009962131), (23, 878227940), (46, 439113970), (92, 219556985), (115, 175645588), (230, 87822794), (460, 43911397), (503, 40157540), (1006, 20078770), (2012, 10039385), (2515, 8031508), (5030, 4015754), (10060, 2007877), (11569, 1745980), (23138, 872990), (46276, 436495), (57845, 349196), (87299, 231380), (115690, 174598)]