20662852

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 36

約数和(自身を含む): 42454720

約数和(自身を除く): 21791868

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 439, 574, 878, 1148, 1681, 1756, 3073, 3362, 6146, 6724, 11767, 12292, 17999, 23534, 35998, 47068, 71996, 125993, 251986, 503972, 737959, 1475918, 2951836, 5165713, 10331426, 20662852]

約数ペア:

[(1, 20662852), (2, 10331426), (4, 5165713), (7, 2951836), (14, 1475918), (28, 737959), (41, 503972), (82, 251986), (164, 125993), (287, 71996), (439, 47068), (574, 35998), (878, 23534), (1148, 17999), (1681, 12292), (1756, 11767), (3073, 6724), (3362, 6146)]