20878230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1753}}^1$

素因数の和:2160

約数の個数: 32

約数和(自身を含む): 50262624

約数和(自身を除く): 29384394

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1753, 1985, 2382, 3506, 3970, 5259, 5955, 8765, 10518, 11910, 17530, 26295, 52590, 695941, 1391882, 2087823, 3479705, 4175646, 6959410, 10439115, 20878230]

約数ペア:

[(1, 20878230), (2, 10439115), (3, 6959410), (5, 4175646), (6, 3479705), (10, 2087823), (15, 1391882), (30, 695941), (397, 52590), (794, 26295), (1191, 17530), (1753, 11910), (1985, 10518), (2382, 8765), (3506, 5955), (3970, 5259)]