20690070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1571}}^1$

素因数の和:2020

約数の個数: 32

約数和(自身を含む): 49800960

約数和(自身を除く): 29110890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 1571, 2195, 2634, 3142, 4390, 4713, 6585, 7855, 9426, 13170, 15710, 23565, 47130, 689669, 1379338, 2069007, 3448345, 4138014, 6896690, 10345035, 20690070]

約数ペア:

[(1, 20690070), (2, 10345035), (3, 6896690), (5, 4138014), (6, 3448345), (10, 2069007), (15, 1379338), (30, 689669), (439, 47130), (878, 23565), (1317, 15710), (1571, 13170), (2195, 9426), (2634, 7855), (3142, 6585), (4390, 4713)]