20617623

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{563}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 32231472

約数和(自身を除く): 11613849

約数列:

[1, 3, 9, 13, 39, 117, 313, 563, 939, 1689, 2817, 4069, 5067, 7319, 12207, 21957, 36621, 65871, 176219, 528657, 1585971, 2290847, 6872541, 20617623]

約数ペア:

[(1, 20617623), (3, 6872541), (9, 2290847), (13, 1585971), (39, 528657), (117, 176219), (313, 65871), (563, 36621), (939, 21957), (1689, 12207), (2817, 7319), (4069, 5067)]