20769914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13297}}^1$

素因数の和:13381

約数の個数: 16

約数和(自身を含む): 34468416

約数和(自身を除く): 13698502

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13297, 26594, 146267, 292534, 944087, 1888174, 10384957, 20769914]

約数ペア:

[(1, 20769914), (2, 10384957), (11, 1888174), (22, 944087), (71, 292534), (142, 146267), (781, 26594), (1562, 13297)]