20508771

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 29900880

約数和(自身を除く): 9392109

約数列:

[1, 3, 19, 29, 57, 87, 361, 551, 653, 1083, 1653, 1959, 10469, 12407, 18937, 31407, 37221, 56811, 235733, 359803, 707199, 1079409, 6836257, 20508771]

約数ペア:

[(1, 20508771), (3, 6836257), (19, 1079409), (29, 707199), (57, 359803), (87, 235733), (361, 56811), (551, 37221), (653, 31407), (1083, 18937), (1653, 12407), (1959, 10469)]