23538020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1103}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 54528768

約数和(自身を除く): 30990748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1103, 1940, 2134, 2206, 4268, 4412, 5335, 5515, 10670, 11030, 12133, 21340, 22060, 24266, 48532, 60665, 106991, 121330, 213982, 242660, 427964, 534955, 1069910, 1176901, 2139820, 2353802, 4707604, 5884505, 11769010, 23538020]

約数ペア:

[(1, 23538020), (2, 11769010), (4, 5884505), (5, 4707604), (10, 2353802), (11, 2139820), (20, 1176901), (22, 1069910), (44, 534955), (55, 427964), (97, 242660), (110, 213982), (194, 121330), (220, 106991), (388, 60665), (485, 48532), (970, 24266), (1067, 22060), (1103, 21340), (1940, 12133), (2134, 11030), (2206, 10670), (4268, 5515), (4412, 5335)]