20707979306

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{538457}}^1$

素因数の和:538574

約数の個数: 32

約数和(自身を含む): 36908065152

約数和(自身を除く): 16200085846

約数列:

[1, 2, 7, 14, 41, 67, 82, 134, 287, 469, 574, 938, 2747, 5494, 19229, 38458, 538457, 1076914, 3769199, 7538398, 22076737, 36076619, 44153474, 72153238, 154537159, 252536333, 309074318, 505072666, 1479141379, 2958282758, 10353989653, 20707979306]

約数ペア:

[(1, 20707979306), (2, 10353989653), (7, 2958282758), (14, 1479141379), (41, 505072666), (67, 309074318), (82, 252536333), (134, 154537159), (287, 72153238), (469, 44153474), (574, 36076619), (938, 22076737), (2747, 7538398), (5494, 3769199), (19229, 1076914), (38458, 538457)]