20725372724

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{288349}}^1$

素因数の和:288528

約数の個数: 48

約数和(自身を含む): 44179833600

約数和(自身を除く): 23454460876

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 151, 238, 302, 476, 604, 1057, 2114, 2567, 4228, 5134, 10268, 17969, 35938, 71876, 288349, 576698, 1153396, 2018443, 4036886, 4901933, 8073772, 9803866, 19607732, 34313531, 43540699, 68627062, 87081398, 137254124, 174162796, 304784893, 609569786, 740191883, 1219139572, 1480383766, 2960767532, 5181343181, 10362686362, 20725372724]

約数ペア:

[(1, 20725372724), (2, 10362686362), (4, 5181343181), (7, 2960767532), (14, 1480383766), (17, 1219139572), (28, 740191883), (34, 609569786), (68, 304784893), (119, 174162796), (151, 137254124), (238, 87081398), (302, 68627062), (476, 43540699), (604, 34313531), (1057, 19607732), (2114, 9803866), (2567, 8073772), (4228, 4901933), (5134, 4036886), (10268, 2018443), (17969, 1153396), (35938, 576698), (71876, 288349)]