20309388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2903}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 52690176

約数和(自身を除く): 32380788

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 132, 159, 212, 318, 583, 636, 1166, 1749, 2332, 2903, 3498, 5806, 6996, 8709, 11612, 17418, 31933, 34836, 63866, 95799, 127732, 153859, 191598, 307718, 383196, 461577, 615436, 923154, 1692449, 1846308, 3384898, 5077347, 6769796, 10154694, 20309388]

約数ペア:

[(1, 20309388), (2, 10154694), (3, 6769796), (4, 5077347), (6, 3384898), (11, 1846308), (12, 1692449), (22, 923154), (33, 615436), (44, 461577), (53, 383196), (66, 307718), (106, 191598), (132, 153859), (159, 127732), (212, 95799), (318, 63866), (583, 34836), (636, 31933), (1166, 17418), (1749, 11612), (2332, 8709), (2903, 6996), (3498, 5806)]