20648404

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6197}}^1$

素因数の和:6232

約数の個数: 36

約数和(自身を含む): 44514036

約数和(自身を除く): 23865632

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6197, 12394, 24788, 43379, 86758, 105349, 173516, 210698, 303653, 421396, 607306, 737443, 1214612, 1474886, 2949772, 5162101, 10324202, 20648404]

約数ペア:

[(1, 20648404), (2, 10324202), (4, 5162101), (7, 2949772), (14, 1474886), (17, 1214612), (28, 737443), (34, 607306), (49, 421396), (68, 303653), (98, 210698), (119, 173516), (196, 105349), (238, 86758), (476, 43379), (833, 24788), (1666, 12394), (3332, 6197)]