20113791

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4919}}^1$

素因数の和:4998

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 8225409

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 4919, 14757, 142651, 231193, 427953, 693579, 6704597, 20113791]

約数ペア:

[(1, 20113791), (3, 6704597), (29, 693579), (47, 427953), (87, 231193), (141, 142651), (1363, 14757), (4089, 4919)]