20171866833

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{11161}}^1$

素因数の和:11647

約数の個数: 40

約数和(自身を含む): 30777518376

約数和(自身を除く): 10605651543

約数列:

[1, 3, 9, 27, 53, 81, 159, 421, 477, 1263, 1431, 3789, 4293, 11161, 11367, 22313, 33483, 34101, 66939, 100449, 200817, 301347, 591533, 602451, 904041, 1774599, 1807353, 4698781, 5323797, 14096343, 15971391, 42289029, 47914173, 126867087, 249035393, 380601261, 747106179, 2241318537, 6723955611, 20171866833]

約数ペア:

[(1, 20171866833), (3, 6723955611), (9, 2241318537), (27, 747106179), (53, 380601261), (81, 249035393), (159, 126867087), (421, 47914173), (477, 42289029), (1263, 15971391), (1431, 14096343), (3789, 5323797), (4293, 4698781), (11161, 1807353), (11367, 1774599), (22313, 904041), (33483, 602451), (34101, 591533), (66939, 301347), (100449, 200817)]