20085990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1637}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 48353760

約数和(自身を除く): 28267770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 1637, 2045, 2454, 3274, 4090, 4911, 6135, 8185, 9822, 12270, 16370, 24555, 49110, 669533, 1339066, 2008599, 3347665, 4017198, 6695330, 10042995, 20085990]

約数ペア:

[(1, 20085990), (2, 10042995), (3, 6695330), (5, 4017198), (6, 3347665), (10, 2008599), (15, 1339066), (30, 669533), (409, 49110), (818, 24555), (1227, 16370), (1637, 12270), (2045, 9822), (2454, 8185), (3274, 6135), (4090, 4911)]