20194484986

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{523}}^1\times {\mathrm{1609}}^1$

素因数の和:2231

約数の個数: 48

約数和(自身を含む): 33347401920

約数和(自身を除く): 13152916934

約数列:

[1, 2, 13, 26, 71, 142, 169, 338, 523, 923, 1046, 1609, 1846, 3218, 6799, 11999, 13598, 20917, 23998, 37133, 41834, 74266, 88387, 114239, 176774, 228478, 271921, 482729, 543842, 841507, 965458, 1485107, 1683014, 2970214, 6275477, 10939591, 12550954, 19306391, 21879182, 38612782, 59746997, 119493994, 142214683, 284429366, 776710961, 1553421922, 10097242493, 20194484986]

約数ペア:

[(1, 20194484986), (2, 10097242493), (13, 1553421922), (26, 776710961), (71, 284429366), (142, 142214683), (169, 119493994), (338, 59746997), (523, 38612782), (923, 21879182), (1046, 19306391), (1609, 12550954), (1846, 10939591), (3218, 6275477), (6799, 2970214), (11999, 1683014), (13598, 1485107), (20917, 965458), (23998, 841507), (37133, 543842), (41834, 482729), (74266, 271921), (88387, 228478), (114239, 176774)]