20090961

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1018

約数の個数: 36

約数和(自身を含む): 33611760

約数和(自身を除く): 13520799

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 971, 1089, 1881, 2299, 2913, 6897, 8739, 10681, 18449, 20691, 32043, 55347, 96129, 117491, 166041, 202939, 352473, 608817, 1057419, 1826451, 2232329, 6696987, 20090961]

約数ペア:

[(1, 20090961), (3, 6696987), (9, 2232329), (11, 1826451), (19, 1057419), (33, 608817), (57, 352473), (99, 202939), (121, 166041), (171, 117491), (209, 96129), (363, 55347), (627, 32043), (971, 20691), (1089, 18449), (1881, 10681), (2299, 8739), (2913, 6897)]