20180972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42397}}^1$

素因数の和:42425

約数の個数: 24

約数和(自身を含む): 42737184

約数和(自身を除く): 22556212

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42397, 84794, 169588, 296779, 593558, 720749, 1187116, 1441498, 2882996, 5045243, 10090486, 20180972]

約数ペア:

[(1, 20180972), (2, 10090486), (4, 5045243), (7, 2882996), (14, 1441498), (17, 1187116), (28, 720749), (34, 593558), (68, 296779), (119, 169588), (238, 84794), (476, 42397)]