20298520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46133}}^1$

素因数の和:46155

約数の個数: 32

約数和(自身を含む): 49824720

約数和(自身を除く): 29526200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46133, 92266, 184532, 230665, 369064, 461330, 507463, 922660, 1014926, 1845320, 2029852, 2537315, 4059704, 5074630, 10149260, 20298520]

約数ペア:

[(1, 20298520), (2, 10149260), (4, 5074630), (5, 4059704), (8, 2537315), (10, 2029852), (11, 1845320), (20, 1014926), (22, 922660), (40, 507463), (44, 461330), (55, 369064), (88, 230665), (110, 184532), (220, 92266), (440, 46133)]