20976513

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{971}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 29548800

約数和(自身を除く): 8572287

約数列:

[1, 3, 19, 57, 379, 971, 1137, 2913, 7201, 18449, 21603, 55347, 368009, 1104027, 6992171, 20976513]

約数ペア:

[(1, 20976513), (3, 6992171), (19, 1104027), (57, 368009), (379, 55347), (971, 21603), (1137, 18449), (2913, 7201)]