20819028

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{21961}}^1$

素因数の和:22047

約数の個数: 24

約数和(自身を含む): 49194880

約数和(自身を除く): 28375852

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 21961, 43922, 65883, 87844, 131766, 263532, 1734919, 3469838, 5204757, 6939676, 10409514, 20819028]

約数ペア:

[(1, 20819028), (2, 10409514), (3, 6939676), (4, 5204757), (6, 3469838), (12, 1734919), (79, 263532), (158, 131766), (237, 87844), (316, 65883), (474, 43922), (948, 21961)]