20342912

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{1543}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 40946880

約数和(自身を除く): 20603968

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 412, 824, 1543, 1648, 3086, 3296, 6172, 6592, 12344, 13184, 24688, 49376, 98752, 158929, 197504, 317858, 635716, 1271432, 2542864, 5085728, 10171456, 20342912]

約数ペア:

[(1, 20342912), (2, 10171456), (4, 5085728), (8, 2542864), (16, 1271432), (32, 635716), (64, 317858), (103, 197504), (128, 158929), (206, 98752), (412, 49376), (824, 24688), (1543, 13184), (1648, 12344), (3086, 6592), (3296, 6172)]