20297398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5333}}^1$

素因数の和:5519

約数の個数: 16

約数和(自身を含む): 33412176

約数和(自身を除く): 13114778

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5333, 10666, 58663, 117326, 922609, 1845218, 10148699, 20297398]

約数ペア:

[(1, 20297398), (2, 10148699), (11, 1845218), (22, 922609), (173, 117326), (346, 58663), (1903, 10666), (3806, 5333)]