20941389

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{619}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 14770611

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 537, 619, 1253, 1611, 1857, 3759, 4333, 4833, 5571, 11277, 12999, 16713, 33831, 38997, 110801, 116991, 332403, 775607, 997209, 2326821, 2991627, 6980463, 20941389]

約数ペア:

[(1, 20941389), (3, 6980463), (7, 2991627), (9, 2326821), (21, 997209), (27, 775607), (63, 332403), (179, 116991), (189, 110801), (537, 38997), (619, 33831), (1253, 16713), (1611, 12999), (1857, 11277), (3759, 5571), (4333, 4833)]