20697412

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 36862560

約数和(自身を除く): 16165148

約数列:

[1, 2, 4, 137, 179, 211, 274, 358, 422, 548, 716, 844, 24523, 28907, 37769, 49046, 57814, 75538, 98092, 115628, 151076, 5174353, 10348706, 20697412]

約数ペア:

[(1, 20697412), (2, 10348706), (4, 5174353), (137, 151076), (179, 115628), (211, 98092), (274, 75538), (358, 57814), (422, 49046), (548, 37769), (716, 28907), (844, 24523)]