20164768338620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16273}}^1\times {\mathrm{1998637}}^1$

素因数の和:2014950

約数の個数: 48

約数和(自身を含む): 43714721987328

約数和(自身を除く): 23549953648708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 16273, 32546, 65092, 81365, 162730, 325460, 504463, 1008926, 1998637, 2017852, 2522315, 3997274, 5044630, 7994548, 9993185, 10089260, 19986370, 39972740, 61957747, 123915494, 247830988, 309788735, 619577470, 1239154940, 32523819901, 65047639802, 130095279604, 162619099505, 325238199010, 650476398020, 1008238416931, 2016476833862, 4032953667724, 5041192084655, 10082384169310, 20164768338620]

約数ペア:

[(1, 20164768338620), (2, 10082384169310), (4, 5041192084655), (5, 4032953667724), (10, 2016476833862), (20, 1008238416931), (31, 650476398020), (62, 325238199010), (124, 162619099505), (155, 130095279604), (310, 65047639802), (620, 32523819901), (16273, 1239154940), (32546, 619577470), (65092, 309788735), (81365, 247830988), (162730, 123915494), (325460, 61957747), (504463, 39972740), (1008926, 19986370), (1998637, 10089260), (2017852, 9993185), (2522315, 7994548), (3997274, 5044630)]