20853917

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5653}}^1$

素因数の和:5708

約数の個数: 16

約数和(自身を含む): 26053632

約数和(自身を除く): 5199715

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5653, 39571, 96101, 175243, 672707, 1226701, 2979131, 20853917]

約数ペア:

[(1, 20853917), (7, 2979131), (17, 1226701), (31, 672707), (119, 175243), (217, 96101), (527, 39571), (3689, 5653)]