20177362821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87347891}}^1$

素因数の和:87347912

約数の個数: 16

約数和(自身を含む): 33541590528

約数和(自身を除く): 13364227707

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87347891, 262043673, 611435237, 960826801, 1834305711, 2882480403, 6725787607, 20177362821]

約数ペア:

[(1, 20177362821), (3, 6725787607), (7, 2882480403), (11, 1834305711), (21, 960826801), (33, 611435237), (77, 262043673), (231, 87347891)]