20724585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6367}}^1$

素因数の和:6413

約数の個数: 32

約数和(自身を含む): 39124992

約数和(自身を除く): 18400407

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6367, 19101, 31835, 44569, 95505, 133707, 197377, 222845, 592131, 668535, 986885, 1381639, 2960655, 4144917, 6908195, 20724585]

約数ペア:

[(1, 20724585), (3, 6908195), (5, 4144917), (7, 2960655), (15, 1381639), (21, 986885), (31, 668535), (35, 592131), (93, 222845), (105, 197377), (155, 133707), (217, 95505), (465, 44569), (651, 31835), (1085, 19101), (3255, 6367)]