20136915

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9521}}^1$

素因数の和:9579

約数の個数: 24

約数和(自身を含む): 35650368

約数和(自身を除く): 15513453

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9521, 28563, 47605, 85689, 142815, 428445, 447487, 1342461, 2237435, 4027383, 6712305, 20136915]

約数ペア:

[(1, 20136915), (3, 6712305), (5, 4027383), (9, 2237435), (15, 1342461), (45, 447487), (47, 428445), (141, 142815), (235, 85689), (423, 47605), (705, 28563), (2115, 9521)]