20390604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5683}}^1$

素因数の和:5726

約数の個数: 48

約数和(自身を含む): 53475072

約数和(自身を除く): 33084468

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5683, 11366, 17049, 22732, 34098, 68196, 73879, 130709, 147758, 221637, 261418, 295516, 392127, 443274, 522836, 784254, 886548, 1568508, 1699217, 3398434, 5097651, 6796868, 10195302, 20390604]

約数ペア:

[(1, 20390604), (2, 10195302), (3, 6796868), (4, 5097651), (6, 3398434), (12, 1699217), (13, 1568508), (23, 886548), (26, 784254), (39, 522836), (46, 443274), (52, 392127), (69, 295516), (78, 261418), (92, 221637), (138, 147758), (156, 130709), (276, 73879), (299, 68196), (598, 34098), (897, 22732), (1196, 17049), (1794, 11366), (3588, 5683)]