204520004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{74209}}^1$

素因数の和:74279

約数の個数: 24

約数和(自身を含む): 392719320

約数和(自身を除く): 188199316

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 74209, 148418, 296836, 964717, 1929434, 3858868, 3933077, 7866154, 15732308, 51130001, 102260002, 204520004]

約数ペア:

[(1, 204520004), (2, 102260002), (4, 51130001), (13, 15732308), (26, 7866154), (52, 3933077), (53, 3858868), (106, 1929434), (212, 964717), (689, 296836), (1378, 148418), (2756, 74209)]