20643363

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 33313280

約数和(自身を除く): 12669917

約数列:

[1, 3, 9, 13, 27, 39, 103, 117, 309, 351, 571, 927, 1339, 1713, 2781, 4017, 5139, 7423, 12051, 15417, 22269, 36153, 58813, 66807, 176439, 200421, 529317, 764569, 1587951, 2293707, 6881121, 20643363]

約数ペア:

[(1, 20643363), (3, 6881121), (9, 2293707), (13, 1587951), (27, 764569), (39, 529317), (103, 200421), (117, 176439), (309, 66807), (351, 58813), (571, 36153), (927, 22269), (1339, 15417), (1713, 12051), (2781, 7423), (4017, 5139)]