20484717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 32248320

約数和(自身を除く): 11763603

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 883, 1221, 2109, 2649, 7733, 9713, 16777, 23199, 29139, 32671, 50331, 98013, 184547, 359381, 553641, 620749, 1078143, 1862247, 6828239, 20484717]

約数ペア:

[(1, 20484717), (3, 6828239), (11, 1862247), (19, 1078143), (33, 620749), (37, 553641), (57, 359381), (111, 184547), (209, 98013), (407, 50331), (627, 32671), (703, 29139), (883, 23199), (1221, 16777), (2109, 9713), (2649, 7733)]