20895056

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 50663424

約数和(自身を除く): 29768368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 113, 127, 182, 208, 226, 254, 364, 452, 508, 728, 791, 889, 904, 1016, 1456, 1469, 1582, 1651, 1778, 1808, 2032, 2938, 3164, 3302, 3556, 5876, 6328, 6604, 7112, 10283, 11557, 11752, 12656, 13208, 14224, 14351, 20566, 23114, 23504, 26416, 28702, 41132, 46228, 57404, 82264, 92456, 100457, 114808, 164528, 184912, 186563, 200914, 229616, 373126, 401828, 746252, 803656, 1305941, 1492504, 1607312, 2611882, 2985008, 5223764, 10447528, 20895056]

約数ペア:

[(1, 20895056), (2, 10447528), (4, 5223764), (7, 2985008), (8, 2611882), (13, 1607312), (14, 1492504), (16, 1305941), (26, 803656), (28, 746252), (52, 401828), (56, 373126), (91, 229616), (104, 200914), (112, 186563), (113, 184912), (127, 164528), (182, 114808), (208, 100457), (226, 92456), (254, 82264), (364, 57404), (452, 46228), (508, 41132), (728, 28702), (791, 26416), (889, 23504), (904, 23114), (1016, 20566), (1456, 14351), (1469, 14224), (1582, 13208), (1651, 12656), (1778, 11752), (1808, 11557), (2032, 10283), (2938, 7112), (3164, 6604), (3302, 6328), (3556, 5876)]