20784590178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{379877}}^1$

素因数の和:380722

約数の個数: 32

約数和(自身を含む): 45403018560

約数和(自身を除く): 24618428382

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 829, 1658, 2487, 4974, 9119, 18238, 27357, 54714, 379877, 759754, 1139631, 2279262, 4178647, 8357294, 12535941, 25071882, 314918033, 629836066, 944754099, 1889508198, 3464098363, 6928196726, 10392295089, 20784590178]

約数ペア:

[(1, 20784590178), (2, 10392295089), (3, 6928196726), (6, 3464098363), (11, 1889508198), (22, 944754099), (33, 629836066), (66, 314918033), (829, 25071882), (1658, 12535941), (2487, 8357294), (4974, 4178647), (9119, 2279262), (18238, 1139631), (27357, 759754), (54714, 379877)]