20263329

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 31262400

約数和(自身を除く): 10999071

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 1669, 4047, 5007, 12141, 15021, 31711, 95133, 118499, 285399, 355497, 1066491, 2251481, 6754443, 20263329]

約数ペア:

[(1, 20263329), (3, 6754443), (9, 2251481), (19, 1066491), (57, 355497), (71, 285399), (171, 118499), (213, 95133), (639, 31711), (1349, 15021), (1669, 12141), (4047, 5007)]