20383641

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 30303936

約数和(自身を除く): 9920295

約数列:

[1, 3, 9, 53, 151, 159, 283, 453, 477, 849, 1359, 2547, 8003, 14999, 24009, 42733, 44997, 72027, 128199, 134991, 384597, 2264849, 6794547, 20383641]

約数ペア:

[(1, 20383641), (3, 6794547), (9, 2264849), (53, 384597), (151, 134991), (159, 128199), (283, 72027), (453, 44997), (477, 42733), (849, 24009), (1359, 14999), (2547, 8003)]