20821034

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11279}}^1$

素因数の和:11365

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 13289686

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11279, 22558, 146627, 293254, 800809, 1601618, 10410517, 20821034]

約数ペア:

[(1, 20821034), (2, 10410517), (13, 1601618), (26, 800809), (71, 293254), (142, 146627), (923, 22558), (1846, 11279)]