20935636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 40851216

約数和(自身を除く): 19915580

約数列:

[1, 2, 4, 17, 34, 37, 53, 68, 74, 106, 148, 157, 212, 314, 628, 629, 901, 1258, 1802, 1961, 2516, 2669, 3604, 3922, 5338, 5809, 7844, 8321, 10676, 11618, 16642, 23236, 33284, 33337, 66674, 98753, 133348, 141457, 197506, 282914, 307877, 395012, 565828, 615754, 1231508, 5233909, 10467818, 20935636]

約数ペア:

[(1, 20935636), (2, 10467818), (4, 5233909), (17, 1231508), (34, 615754), (37, 565828), (53, 395012), (68, 307877), (74, 282914), (106, 197506), (148, 141457), (157, 133348), (212, 98753), (314, 66674), (628, 33337), (629, 33284), (901, 23236), (1258, 16642), (1802, 11618), (1961, 10676), (2516, 8321), (2669, 7844), (3604, 5809), (3922, 5338)]