20839029

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 30898560

約数和(自身を除く): 10059531

約数列:

[1, 3, 19, 37, 41, 57, 111, 123, 241, 703, 723, 779, 1517, 2109, 2337, 4551, 4579, 8917, 9881, 13737, 26751, 28823, 29643, 86469, 169423, 187739, 365597, 508269, 563217, 1096791, 6946343, 20839029]

約数ペア:

[(1, 20839029), (3, 6946343), (19, 1096791), (37, 563217), (41, 508269), (57, 365597), (111, 187739), (123, 169423), (241, 86469), (703, 29643), (723, 28823), (779, 26751), (1517, 13737), (2109, 9881), (2337, 8917), (4551, 4579)]