20041228

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 35814240

約数和(自身を除く): 15773012

約数列:

[1, 2, 4, 101, 113, 202, 226, 404, 439, 452, 878, 1756, 11413, 22826, 44339, 45652, 49607, 88678, 99214, 177356, 198428, 5010307, 10020614, 20041228]

約数ペア:

[(1, 20041228), (2, 10020614), (4, 5010307), (101, 198428), (113, 177356), (202, 99214), (226, 88678), (404, 49607), (439, 45652), (452, 44339), (878, 22826), (1756, 11413)]