22018840

素因数分解:

$2^3\times 5^1\times {\mathrm{550471}}^1$

素因数の和:550482

約数の個数: 16

約数和(自身を含む): 49542480

約数和(自身を除く): 27523640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 550471, 1100942, 2201884, 2752355, 4403768, 5504710, 11009420, 22018840]

約数ペア:

[(1, 22018840), (2, 11009420), (4, 5504710), (5, 4403768), (8, 2752355), (10, 2201884), (20, 1100942), (40, 550471)]