20111942

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1571}}^1$

素因数の和:1783

約数の個数: 16

約数和(自身を含む): 31182192

約数和(自身を除く): 11070250

約数列:

[1, 2, 37, 74, 173, 346, 1571, 3142, 6401, 12802, 58127, 116254, 271783, 543566, 10055971, 20111942]

約数ペア:

[(1, 20111942), (2, 10055971), (37, 543566), (74, 271783), (173, 116254), (346, 58127), (1571, 12802), (3142, 6401)]