20484972

素因数分解:

$2^2\times 3^2\times {\mathrm{463}}^1\times {\mathrm{1229}}^1$

素因数の和:1702

約数の個数: 36

約数和(自身を含む): 51935520

約数和(自身を除く): 31450548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 463, 926, 1229, 1389, 1852, 2458, 2778, 3687, 4167, 4916, 5556, 7374, 8334, 11061, 14748, 16668, 22122, 44244, 569027, 1138054, 1707081, 2276108, 3414162, 5121243, 6828324, 10242486, 20484972]

約数ペア:

[(1, 20484972), (2, 10242486), (3, 6828324), (4, 5121243), (6, 3414162), (9, 2276108), (12, 1707081), (18, 1138054), (36, 569027), (463, 44244), (926, 22122), (1229, 16668), (1389, 14748), (1852, 11061), (2458, 8334), (2778, 7374), (3687, 5556), (4167, 4916)]