20752959

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{631}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 29223680

約数和(自身を除く): 8470721

約数列:

[1, 3, 19, 57, 577, 631, 1731, 1893, 10963, 11989, 32889, 35967, 364087, 1092261, 6917653, 20752959]

約数ペア:

[(1, 20752959), (3, 6917653), (19, 1092261), (57, 364087), (577, 35967), (631, 32889), (1731, 11989), (1893, 10963)]