20656475559

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{2531}}^1$

素因数の和:3092

約数の個数: 48

約数和(自身を含む): 31567760640

約数和(自身を除く): 10911285081

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 443, 801, 1329, 2047, 2531, 3987, 6141, 7593, 10189, 18423, 22779, 30567, 39427, 58213, 91701, 118281, 174639, 225259, 354843, 523917, 675777, 906821, 1121233, 2027331, 2720463, 3363699, 5180957, 8161389, 10091097, 15542871, 25788359, 46628613, 77365077, 99789737, 232095231, 299369211, 898107633, 2295163951, 6885491853, 20656475559]

約数ペア:

[(1, 20656475559), (3, 6885491853), (9, 2295163951), (23, 898107633), (69, 299369211), (89, 232095231), (207, 99789737), (267, 77365077), (443, 46628613), (801, 25788359), (1329, 15542871), (2047, 10091097), (2531, 8161389), (3987, 5180957), (6141, 3363699), (7593, 2720463), (10189, 2027331), (18423, 1121233), (22779, 906821), (30567, 675777), (39427, 523917), (58213, 354843), (91701, 225259), (118281, 174639)]