20120837751

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1499429}}^1$

素因数の和:1499516

約数の個数: 32

約数和(自身を含む): 34546867200

約数和(自身を除く): 14426029449

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 1499429, 4498287, 10496003, 13494861, 31488009, 40484583, 94464027, 106459459, 283392081, 319378377, 745216213, 958135131, 2235648639, 2874405393, 6706945917, 20120837751]

約数ペア:

[(1, 20120837751), (3, 6706945917), (7, 2874405393), (9, 2235648639), (21, 958135131), (27, 745216213), (63, 319378377), (71, 283392081), (189, 106459459), (213, 94464027), (497, 40484583), (639, 31488009), (1491, 13494861), (1917, 10496003), (4473, 4498287), (13419, 1499429)]