20162703309

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7219013}}^1$

素因数の和:7219049

約数の個数: 24

約数和(自身を含む): 32918703840

約数和(自身を除く): 12756000531

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7219013, 21657039, 50533091, 137161247, 151599273, 353731637, 411483741, 960128729, 1061194911, 2880386187, 6720901103, 20162703309]

約数ペア:

[(1, 20162703309), (3, 6720901103), (7, 2880386187), (19, 1061194911), (21, 960128729), (49, 411483741), (57, 353731637), (133, 151599273), (147, 137161247), (399, 50533091), (931, 21657039), (2793, 7219013)]