20396313

素因数分解:

$3^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 34744320

約数和(自身を除く): 14348007

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 311, 347, 933, 1041, 2177, 2429, 2799, 3123, 6531, 7287, 8397, 9369, 19593, 21861, 58779, 65583, 107917, 323751, 755419, 971253, 2266257, 2913759, 6798771, 20396313]

約数ペア:

[(1, 20396313), (3, 6798771), (7, 2913759), (9, 2266257), (21, 971253), (27, 755419), (63, 323751), (189, 107917), (311, 65583), (347, 58779), (933, 21861), (1041, 19593), (2177, 9369), (2429, 8397), (2799, 7287), (3123, 6531)]