20545965

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41507}}^1$

素因数の和:41529

約数の個数: 24

約数和(自身を含む): 38851488

約数和(自身を除く): 18305523

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41507, 124521, 207535, 373563, 456577, 622605, 1369731, 1867815, 2282885, 4109193, 6848655, 20545965]

約数ペア:

[(1, 20545965), (3, 6848655), (5, 4109193), (9, 2282885), (11, 1867815), (15, 1369731), (33, 622605), (45, 456577), (55, 373563), (99, 207535), (165, 124521), (495, 41507)]