20652338

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15843022

約数列:

[1, 2, 7, 14, 71, 79, 142, 158, 263, 497, 526, 553, 994, 1106, 1841, 3682, 5609, 11218, 18673, 20777, 37346, 39263, 41554, 78526, 130711, 145439, 261422, 290878, 1475167, 2950334, 10326169, 20652338]

約数ペア:

[(1, 20652338), (2, 10326169), (7, 2950334), (14, 1475167), (71, 290878), (79, 261422), (142, 145439), (158, 130711), (263, 78526), (497, 41554), (526, 39263), (553, 37346), (994, 20777), (1106, 18673), (1841, 11218), (3682, 5609)]