20100948740

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2238413}}^1$

素因数の和:2238871

約数の個数: 24

約数和(自身を含む): 42306024600

約数和(自身を除く): 22205075860

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 2238413, 4476826, 8953652, 11192065, 22384130, 44768260, 1005047437, 2010094874, 4020189748, 5025237185, 10050474370, 20100948740]

約数ペア:

[(1, 20100948740), (2, 10050474370), (4, 5025237185), (5, 4020189748), (10, 2010094874), (20, 1005047437), (449, 44768260), (898, 22384130), (1796, 11192065), (2245, 8953652), (4490, 4476826), (8980, 2238413)]