20944521

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59671}}^1$

素因数の和:59693

約数の個数: 16

約数和(自身を含む): 33416320

約数和(自身を除く): 12471799

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59671, 179013, 537039, 775723, 1611117, 2327169, 6981507, 20944521]

約数ペア:

[(1, 20944521), (3, 6981507), (9, 2327169), (13, 1611117), (27, 775723), (39, 537039), (117, 179013), (351, 59671)]