20145130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 38419200

約数和(自身を除く): 18274070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 458, 463, 926, 1145, 2290, 2315, 4351, 4630, 8702, 8797, 17594, 21755, 43510, 43985, 87970, 106027, 212054, 530135, 1060270, 2014513, 4029026, 10072565, 20145130]

約数ペア:

[(1, 20145130), (2, 10072565), (5, 4029026), (10, 2014513), (19, 1060270), (38, 530135), (95, 212054), (190, 106027), (229, 87970), (458, 43985), (463, 43510), (926, 21755), (1145, 17594), (2290, 8797), (2315, 8702), (4351, 4630)]