20786950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21881}}^1$

素因数の和:21912

約数の個数: 24

約数和(自身を含む): 40700520

約数和(自身を除く): 19913570

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21881, 43762, 109405, 218810, 415739, 547025, 831478, 1094050, 2078695, 4157390, 10393475, 20786950]

約数ペア:

[(1, 20786950), (2, 10393475), (5, 4157390), (10, 2078695), (19, 1094050), (25, 831478), (38, 547025), (50, 415739), (95, 218810), (190, 109405), (475, 43762), (950, 21881)]