20059515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21227}}^1$

素因数の和:21248

約数の個数: 32

約数和(自身を含む): 40757760

約数和(自身を除く): 20698245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21227, 63681, 106135, 148589, 191043, 318405, 445767, 573129, 742945, 955215, 1337301, 2228835, 2865645, 4011903, 6686505, 20059515]

約数ペア:

[(1, 20059515), (3, 6686505), (5, 4011903), (7, 2865645), (9, 2228835), (15, 1337301), (21, 955215), (27, 742945), (35, 573129), (45, 445767), (63, 318405), (105, 191043), (135, 148589), (189, 106135), (315, 63681), (945, 21227)]