20135395

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 29956608

約数和(自身を除く): 9821213

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 787, 1505, 3655, 3935, 5117, 5509, 13379, 25585, 27545, 33841, 66895, 93653, 169205, 236887, 468265, 575297, 1184435, 2876485, 4027079, 20135395]

約数ペア:

[(1, 20135395), (5, 4027079), (7, 2876485), (17, 1184435), (35, 575297), (43, 468265), (85, 236887), (119, 169205), (215, 93653), (301, 66895), (595, 33841), (731, 27545), (787, 25585), (1505, 13379), (3655, 5509), (3935, 5117)]