20706417

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1493}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 31696704

約数和(自身を除く): 10990287

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1493, 1541, 4479, 4623, 13437, 13869, 34339, 100031, 103017, 300093, 309051, 900279, 2300713, 6902139, 20706417]

約数ペア:

[(1, 20706417), (3, 6902139), (9, 2300713), (23, 900279), (67, 309051), (69, 300093), (201, 103017), (207, 100031), (603, 34339), (1493, 13869), (1541, 13437), (4479, 4623)]