20690164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24749}}^1$

素因数の和:24783

約数の個数: 24

約数和(自身を含む): 41580000

約数和(自身を除く): 20889836

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 24749, 49498, 98996, 272239, 470231, 544478, 940462, 1088956, 1880924, 5172541, 10345082, 20690164]

約数ペア:

[(1, 20690164), (2, 10345082), (4, 5172541), (11, 1880924), (19, 1088956), (22, 940462), (38, 544478), (44, 470231), (76, 272239), (209, 98996), (418, 49498), (836, 24749)]