20219211

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{373}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 30922320

約数和(自身を除く): 10703109

約数列:

[1, 3, 9, 19, 57, 171, 317, 373, 951, 1119, 2853, 3357, 6023, 7087, 18069, 21261, 54207, 63783, 118241, 354723, 1064169, 2246579, 6739737, 20219211]

約数ペア:

[(1, 20219211), (3, 6739737), (9, 2246579), (19, 1064169), (57, 354723), (171, 118241), (317, 63783), (373, 54207), (951, 21261), (1119, 18069), (2853, 7087), (3357, 6023)]