20852865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 39911040

約数和(自身を除く): 19058175

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 103, 165, 309, 409, 495, 515, 927, 1133, 1227, 1545, 2045, 3399, 3681, 4499, 4635, 5665, 6135, 10197, 13497, 16995, 18405, 22495, 40491, 42127, 50985, 67485, 126381, 202455, 210635, 379143, 463397, 631905, 1390191, 1895715, 2316985, 4170573, 6950955, 20852865]

約数ペア:

[(1, 20852865), (3, 6950955), (5, 4170573), (9, 2316985), (11, 1895715), (15, 1390191), (33, 631905), (45, 463397), (55, 379143), (99, 210635), (103, 202455), (165, 126381), (309, 67485), (409, 50985), (495, 42127), (515, 40491), (927, 22495), (1133, 18405), (1227, 16995), (1545, 13497), (2045, 10197), (3399, 6135), (3681, 5665), (4499, 4635)]