20361656

素因数分解:

$2^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 44870400

約数和(自身を除く): 24508744

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 127, 196, 254, 392, 409, 508, 818, 889, 1016, 1636, 1778, 2863, 3272, 3556, 5726, 6223, 7112, 11452, 12446, 20041, 22904, 24892, 40082, 49784, 51943, 80164, 103886, 160328, 207772, 363601, 415544, 727202, 1454404, 2545207, 2908808, 5090414, 10180828, 20361656]

約数ペア:

[(1, 20361656), (2, 10180828), (4, 5090414), (7, 2908808), (8, 2545207), (14, 1454404), (28, 727202), (49, 415544), (56, 363601), (98, 207772), (127, 160328), (196, 103886), (254, 80164), (392, 51943), (409, 49784), (508, 40082), (818, 24892), (889, 22904), (1016, 20041), (1636, 12446), (1778, 11452), (2863, 7112), (3272, 6223), (3556, 5726)]