20689834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15805526

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 253, 341, 506, 682, 713, 1319, 1426, 2638, 7843, 14509, 15686, 29018, 30337, 40889, 60674, 81778, 333707, 449779, 667414, 899558, 940447, 1880894, 10344917, 20689834]

約数ペア:

[(1, 20689834), (2, 10344917), (11, 1880894), (22, 940447), (23, 899558), (31, 667414), (46, 449779), (62, 333707), (253, 81778), (341, 60674), (506, 40889), (682, 30337), (713, 29018), (1319, 15686), (1426, 14509), (2638, 7843)]