20185900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28837}}^1$

素因数の和:28858

約数の個数: 36

約数和(自身を含む): 50062768

約数和(自身を除く): 29876868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28837, 57674, 115348, 144185, 201859, 288370, 403718, 576740, 720925, 807436, 1009295, 1441850, 2018590, 2883700, 4037180, 5046475, 10092950, 20185900]

約数ペア:

[(1, 20185900), (2, 10092950), (4, 5046475), (5, 4037180), (7, 2883700), (10, 2018590), (14, 1441850), (20, 1009295), (25, 807436), (28, 720925), (35, 576740), (50, 403718), (70, 288370), (100, 201859), (140, 144185), (175, 115348), (350, 57674), (700, 28837)]