20168940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30559}}^1$

素因数の和:30582

約数の個数: 48

約数和(自身を含む): 61608960

約数和(自身を除く): 41440020

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30559, 61118, 91677, 122236, 152795, 183354, 305590, 336149, 366708, 458385, 611180, 672298, 916770, 1008447, 1344596, 1680745, 1833540, 2016894, 3361490, 4033788, 5042235, 6722980, 10084470, 20168940]

約数ペア:

[(1, 20168940), (2, 10084470), (3, 6722980), (4, 5042235), (5, 4033788), (6, 3361490), (10, 2016894), (11, 1833540), (12, 1680745), (15, 1344596), (20, 1008447), (22, 916770), (30, 672298), (33, 611180), (44, 458385), (55, 366708), (60, 336149), (66, 305590), (110, 183354), (132, 152795), (165, 122236), (220, 91677), (330, 61118), (660, 30559)]