20194778

素因数分解:

$2^1\times {\mathrm{43}}^3\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 31257600

約数和(自身を除く): 11062822

約数列:

[1, 2, 43, 86, 127, 254, 1849, 3698, 5461, 10922, 79507, 159014, 234823, 469646, 10097389, 20194778]

約数ペア:

[(1, 20194778), (2, 10097389), (43, 469646), (86, 234823), (127, 159014), (254, 79507), (1849, 10922), (3698, 5461)]