20500697

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 24415104

約数和(自身を除く): 3914407

約数列:

[1, 7, 41, 61, 287, 427, 1171, 2501, 8197, 17507, 48011, 71431, 336077, 500017, 2928671, 20500697]

約数ペア:

[(1, 20500697), (7, 2928671), (41, 500017), (61, 336077), (287, 71431), (427, 48011), (1171, 17507), (2501, 8197)]