19696460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140689}}^1$

素因数の和:140705

約数の個数: 24

約数和(自身を含む): 47271840

約数和(自身を除く): 27575380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140689, 281378, 562756, 703445, 984823, 1406890, 1969646, 2813780, 3939292, 4924115, 9848230, 19696460]

約数ペア:

[(1, 19696460), (2, 9848230), (4, 4924115), (5, 3939292), (7, 2813780), (10, 1969646), (14, 1406890), (20, 984823), (28, 703445), (35, 562756), (70, 281378), (140, 140689)]