16421020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10663}}^1$

素因数の和:10690

約数の個数: 48

約数和(自身を含む): 42997248

約数和(自身を除く): 26576228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10663, 21326, 42652, 53315, 74641, 106630, 117293, 149282, 213260, 234586, 298564, 373205, 469172, 586465, 746410, 821051, 1172930, 1492820, 1642102, 2345860, 3284204, 4105255, 8210510, 16421020]

約数ペア:

[(1, 16421020), (2, 8210510), (4, 4105255), (5, 3284204), (7, 2345860), (10, 1642102), (11, 1492820), (14, 1172930), (20, 821051), (22, 746410), (28, 586465), (35, 469172), (44, 373205), (55, 298564), (70, 234586), (77, 213260), (110, 149282), (140, 117293), (154, 106630), (220, 74641), (308, 53315), (385, 42652), (770, 21326), (1540, 10663)]