20177055717

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{55949}}^1$

素因数の和:57293

約数の個数: 32

約数和(自身を含む): 33136723200

約数和(自身を除く): 12959667483

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1321, 3963, 9247, 17173, 27741, 51519, 55949, 120211, 167847, 360633, 391643, 727337, 1174929, 2182011, 5091359, 15274077, 73908629, 221725887, 517360403, 960812177, 1552081209, 2882436531, 6725685239, 20177055717]

約数ペア:

[(1, 20177055717), (3, 6725685239), (7, 2882436531), (13, 1552081209), (21, 960812177), (39, 517360403), (91, 221725887), (273, 73908629), (1321, 15274077), (3963, 5091359), (9247, 2182011), (17173, 1174929), (27741, 727337), (51519, 391643), (55949, 360633), (120211, 167847)]