20171872

素因数分解:

$2^5\times 7^1\times {\mathrm{90053}}^1$

素因数の和:90070

約数の個数: 24

約数和(自身を含む): 45387216

約数和(自身を除く): 25215344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90053, 180106, 360212, 630371, 720424, 1260742, 1440848, 2521484, 2881696, 5042968, 10085936, 20171872]

約数ペア:

[(1, 20171872), (2, 10085936), (4, 5042968), (7, 2881696), (8, 2521484), (14, 1440848), (16, 1260742), (28, 720424), (32, 630371), (56, 360212), (112, 180106), (224, 90053)]