20405595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6269}}^1$

素因数の和:6315

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 18117285

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6269, 18807, 31345, 43883, 94035, 131649, 194339, 219415, 583017, 658245, 971695, 1360373, 2915085, 4081119, 6801865, 20405595]

約数ペア:

[(1, 20405595), (3, 6801865), (5, 4081119), (7, 2915085), (15, 1360373), (21, 971695), (31, 658245), (35, 583017), (93, 219415), (105, 194339), (155, 131649), (217, 94035), (465, 43883), (651, 31345), (1085, 18807), (3255, 6269)]