20693603

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 16

約数和(自身を含む): 25021440

約数和(自身を除く): 4327837

約数列:

[1, 7, 19, 133, 361, 431, 2527, 3017, 6859, 8189, 48013, 57323, 155591, 1089137, 2956229, 20693603]

約数ペア:

[(1, 20693603), (7, 2956229), (19, 1089137), (133, 155591), (361, 57323), (431, 48013), (2527, 8189), (3017, 6859)]