20347700

素因数分解:

$2^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{719}}^1$

素因数の和:1016

約数の個数: 36

約数和(自身を含む): 44372160

約数和(自身を除く): 24024460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 283, 566, 719, 1132, 1415, 1438, 2830, 2876, 3595, 5660, 7075, 7190, 14150, 14380, 17975, 28300, 35950, 71900, 203477, 406954, 813908, 1017385, 2034770, 4069540, 5086925, 10173850, 20347700]

約数ペア:

[(1, 20347700), (2, 10173850), (4, 5086925), (5, 4069540), (10, 2034770), (20, 1017385), (25, 813908), (50, 406954), (100, 203477), (283, 71900), (566, 35950), (719, 28300), (1132, 17975), (1415, 14380), (1438, 14150), (2830, 7190), (2876, 7075), (3595, 5660)]