20614664

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2687}}^1$

素因数の和:2837

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 23898616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2687, 3836, 5374, 7672, 10748, 18809, 21496, 37618, 75236, 150472, 368119, 736238, 1472476, 2576833, 2944952, 5153666, 10307332, 20614664]

約数ペア:

[(1, 20614664), (2, 10307332), (4, 5153666), (7, 2944952), (8, 2576833), (14, 1472476), (28, 736238), (56, 368119), (137, 150472), (274, 75236), (548, 37618), (959, 21496), (1096, 18809), (1918, 10748), (2687, 7672), (3836, 5374)]