20723219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2915821

約数列:

[1, 11, 37, 59, 407, 649, 863, 2183, 9493, 24013, 31931, 50917, 351241, 560087, 1883929, 20723219]

約数ペア:

[(1, 20723219), (11, 1883929), (37, 560087), (59, 351241), (407, 50917), (649, 31931), (863, 24013), (2183, 9493)]