20194440021

素因数分解:

$3^3\times 7^2\times {\mathrm{223}}^1\times {\mathrm{68449}}^1$

素因数の和:68695

約数の個数: 48

約数和(自身を含む): 34958784000

約数和(自身を除く): 14764343979

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 223, 441, 669, 1323, 1561, 2007, 4683, 6021, 10927, 14049, 32781, 42147, 68449, 98343, 205347, 295029, 479143, 616041, 1437429, 1848123, 3354001, 4312287, 10062003, 12936861, 15264127, 30186009, 45792381, 90558027, 106848889, 137377143, 320546667, 412131429, 747942223, 961640001, 2243826669, 2884920003, 6731480007, 20194440021]

約数ペア:

[(1, 20194440021), (3, 6731480007), (7, 2884920003), (9, 2243826669), (21, 961640001), (27, 747942223), (49, 412131429), (63, 320546667), (147, 137377143), (189, 106848889), (223, 90558027), (441, 45792381), (669, 30186009), (1323, 15264127), (1561, 12936861), (2007, 10062003), (4683, 4312287), (6021, 3354001), (10927, 1848123), (14049, 1437429), (32781, 616041), (42147, 479143), (68449, 295029), (98343, 205347)]