20484220

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6133}}^1$

素因数の和:6309

約数の個数: 24

約数和(自身を含む): 43281504

約数和(自身を除く): 22797284

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 6133, 12266, 24532, 30665, 61330, 122660, 1024211, 2048422, 4096844, 5121055, 10242110, 20484220]

約数ペア:

[(1, 20484220), (2, 10242110), (4, 5121055), (5, 4096844), (10, 2048422), (20, 1024211), (167, 122660), (334, 61330), (668, 30665), (835, 24532), (1670, 12266), (3340, 6133)]