20809902004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{553043}}^1$

素因数の和:553479

約数の個数: 24

約数和(自身を含む): 38093670720

約数和(自身を除く): 17283768716

約数列:

[1, 2, 4, 23, 46, 92, 409, 818, 1636, 9407, 18814, 37628, 553043, 1106086, 2212172, 12719989, 25439978, 50879956, 226194587, 452389174, 904778348, 5202475501, 10404951002, 20809902004]

約数ペア:

[(1, 20809902004), (2, 10404951002), (4, 5202475501), (23, 904778348), (46, 452389174), (92, 226194587), (409, 50879956), (818, 25439978), (1636, 12719989), (9407, 2212172), (18814, 1106086), (37628, 553043)]