20786852

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 19855708

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 83, 116, 127, 166, 254, 332, 493, 508, 986, 1411, 1972, 2159, 2407, 2822, 3683, 4318, 4814, 5644, 7366, 8636, 9628, 10541, 14732, 21082, 40919, 42164, 62611, 81838, 125222, 163676, 179197, 250444, 305689, 358394, 611378, 716788, 1222756, 5196713, 10393426, 20786852]

約数ペア:

[(1, 20786852), (2, 10393426), (4, 5196713), (17, 1222756), (29, 716788), (34, 611378), (58, 358394), (68, 305689), (83, 250444), (116, 179197), (127, 163676), (166, 125222), (254, 81838), (332, 62611), (493, 42164), (508, 40919), (986, 21082), (1411, 14732), (1972, 10541), (2159, 9628), (2407, 8636), (2822, 7366), (3683, 5644), (4318, 4814)]