20699997

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1039}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 28704000

約数和(自身を除く): 8004003

約数列:

[1, 3, 29, 87, 229, 687, 1039, 3117, 6641, 19923, 30131, 90393, 237931, 713793, 6899999, 20699997]

約数ペア:

[(1, 20699997), (3, 6899999), (29, 713793), (87, 237931), (229, 90393), (687, 30131), (1039, 19923), (3117, 6641)]