20696956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43481}}^1$

素因数の和:43509

約数の個数: 24

約数和(自身を含む): 43829856

約数和(自身を除く): 23132900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43481, 86962, 173924, 304367, 608734, 739177, 1217468, 1478354, 2956708, 5174239, 10348478, 20696956]

約数ペア:

[(1, 20696956), (2, 10348478), (4, 5174239), (7, 2956708), (14, 1478354), (17, 1217468), (28, 739177), (34, 608734), (68, 304367), (119, 173924), (238, 86962), (476, 43481)]