20926942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6971}}^1$

素因数の和:7071

約数の個数: 16

約数和(自身を含む): 33465600

約数和(自身を除く): 12538658

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 6971, 13942, 132449, 264898, 550709, 1101418, 10463471, 20926942]

約数ペア:

[(1, 20926942), (2, 10463471), (19, 1101418), (38, 550709), (79, 264898), (158, 132449), (1501, 13942), (3002, 6971)]