20055015

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6277}}^1$

素因数の和:6359

約数の個数: 24

約数和(自身を含む): 35257248

約数和(自身を除く): 15202233

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6277, 18831, 31385, 56493, 94155, 282465, 445667, 1337001, 2228335, 4011003, 6685005, 20055015]

約数ペア:

[(1, 20055015), (3, 6685005), (5, 4011003), (9, 2228335), (15, 1337001), (45, 445667), (71, 282465), (213, 94155), (355, 56493), (639, 31385), (1065, 18831), (3195, 6277)]