20206179

素因数分解:

$3^5\times 7^2\times {\mathrm{1697}}^1$

素因数の和:1726

約数の個数: 36

約数和(自身を含む): 35230104

約数和(自身を除く): 15023925

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1697, 1701, 3969, 5091, 11879, 11907, 15273, 35637, 45819, 83153, 106911, 137457, 249459, 320733, 412371, 748377, 962199, 2245131, 2886597, 6735393, 20206179]

約数ペア:

[(1, 20206179), (3, 6735393), (7, 2886597), (9, 2245131), (21, 962199), (27, 748377), (49, 412371), (63, 320733), (81, 249459), (147, 137457), (189, 106911), (243, 83153), (441, 45819), (567, 35637), (1323, 15273), (1697, 11907), (1701, 11879), (3969, 5091)]