20512142655

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{69313}}^1$

素因数の和:69611

約数の個数: 32

約数和(自身を含む): 33303990720

約数和(自身を除く): 12791848065

約数列:

[1, 3, 5, 15, 109, 181, 327, 543, 545, 905, 1635, 2715, 19729, 59187, 69313, 98645, 207939, 295935, 346565, 1039695, 7555117, 12545653, 22665351, 37636959, 37775585, 62728265, 113326755, 188184795, 1367476177, 4102428531, 6837380885, 20512142655]

約数ペア:

[(1, 20512142655), (3, 6837380885), (5, 4102428531), (15, 1367476177), (109, 188184795), (181, 113326755), (327, 62728265), (543, 37775585), (545, 37636959), (905, 22665351), (1635, 12545653), (2715, 7555117), (19729, 1039695), (59187, 346565), (69313, 295935), (98645, 207939)]