20072215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{503}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 25256448

約数和(自身を除く): 5184233

約数列:

[1, 5, 23, 115, 347, 503, 1735, 2515, 7981, 11569, 39905, 57845, 174541, 872705, 4014443, 20072215]

約数ペア:

[(1, 20072215), (5, 4014443), (23, 872705), (115, 174541), (347, 57845), (503, 39905), (1735, 11569), (2515, 7981)]