20827876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3469}}^1$

素因数の和:3571

約数の個数: 24

約数和(自身を含む): 38864000

約数和(自身を除く): 18036124

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3469, 6004, 6938, 13876, 65911, 131822, 263644, 274051, 548102, 1096204, 5206969, 10413938, 20827876]

約数ペア:

[(1, 20827876), (2, 10413938), (4, 5206969), (19, 1096204), (38, 548102), (76, 274051), (79, 263644), (158, 131822), (316, 65911), (1501, 13876), (3002, 6938), (3469, 6004)]