20247597

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 32688000

約数和(自身を除く): 12440403

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1361, 1653, 4083, 4959, 12249, 14877, 25859, 36747, 39469, 77577, 118407, 232731, 355221, 698193, 749911, 1065663, 2249733, 6749199, 20247597]

約数ペア:

[(1, 20247597), (3, 6749199), (9, 2249733), (19, 1065663), (27, 749911), (29, 698193), (57, 355221), (87, 232731), (171, 118407), (261, 77577), (513, 39469), (551, 36747), (783, 25859), (1361, 14877), (1653, 12249), (4083, 4959)]