20369944

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21397}}^1$

素因数の和:21427

約数の個数: 32

約数和(自身を含む): 46219680

約数和(自身を除く): 25849736

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21397, 42794, 85588, 149779, 171176, 299558, 363749, 599116, 727498, 1198232, 1454996, 2546243, 2909992, 5092486, 10184972, 20369944]

約数ペア:

[(1, 20369944), (2, 10184972), (4, 5092486), (7, 2909992), (8, 2546243), (14, 1454996), (17, 1198232), (28, 727498), (34, 599116), (56, 363749), (68, 299558), (119, 171176), (136, 149779), (238, 85588), (476, 42794), (952, 21397)]