20891150

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8527}}^1$

素因数の和:8553

約数の個数: 36

約数和(自身を含む): 45206928

約数和(自身を除く): 24315778

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8527, 17054, 42635, 59689, 85270, 119378, 213175, 298445, 417823, 426350, 596890, 835646, 1492225, 2089115, 2984450, 4178230, 10445575, 20891150]

約数ペア:

[(1, 20891150), (2, 10445575), (5, 4178230), (7, 2984450), (10, 2089115), (14, 1492225), (25, 835646), (35, 596890), (49, 426350), (50, 417823), (70, 298445), (98, 213175), (175, 119378), (245, 85270), (350, 59689), (490, 42635), (1225, 17054), (2450, 8527)]