20551827

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1487}}^1$

素因数の和:1778

約数の個数: 16

約数和(自身を含む): 29140992

約数和(自身を除く): 8589165

約数列:

[1, 3, 17, 51, 271, 813, 1487, 4461, 4607, 13821, 25279, 75837, 402977, 1208931, 6850609, 20551827]

約数ペア:

[(1, 20551827), (3, 6850609), (17, 1208931), (51, 402977), (271, 75837), (813, 25279), (1487, 13821), (4461, 4607)]