20619339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 31309824

約数和(自身を除く): 10690485

約数列:

[1, 3, 13, 23, 39, 69, 127, 181, 299, 381, 543, 897, 1651, 2353, 2921, 4163, 4953, 7059, 8763, 12489, 22987, 37973, 54119, 68961, 113919, 162357, 298831, 528701, 896493, 1586103, 6873113, 20619339]

約数ペア:

[(1, 20619339), (3, 6873113), (13, 1586103), (23, 896493), (39, 528701), (69, 298831), (127, 162357), (181, 113919), (299, 68961), (381, 54119), (543, 37973), (897, 22987), (1651, 12489), (2353, 8763), (2921, 7059), (4163, 4953)]