20167520319

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{157351}}^1$

素因数の和:157508

約数の個数: 32

約数和(自身を含む): 30815815680

約数和(自身を除く): 10648295361

約数列:

[1, 3, 9, 27, 47, 101, 141, 303, 423, 909, 1269, 2727, 4747, 14241, 42723, 128169, 157351, 472053, 1416159, 4248477, 7395497, 15892451, 22186491, 47677353, 66559473, 143032059, 199678419, 429096177, 746945197, 2240835591, 6722506773, 20167520319]

約数ペア:

[(1, 20167520319), (3, 6722506773), (9, 2240835591), (27, 746945197), (47, 429096177), (101, 199678419), (141, 143032059), (303, 66559473), (423, 47677353), (909, 22186491), (1269, 15892451), (2727, 7395497), (4747, 4248477), (14241, 1416159), (42723, 472053), (128169, 157351)]