20894132

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15877}}^1$

素因数の和:15935

約数の個数: 24

約数和(自身を含む): 42680064

約数和(自身を除く): 21785932

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15877, 31754, 63508, 111139, 222278, 444556, 746219, 1492438, 2984876, 5223533, 10447066, 20894132]

約数ペア:

[(1, 20894132), (2, 10447066), (4, 5223533), (7, 2984876), (14, 1492438), (28, 746219), (47, 444556), (94, 222278), (188, 111139), (329, 63508), (658, 31754), (1316, 15877)]