20881042

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3701}}^1$

素因数の和:3754

約数の個数: 32

約数和(自身を含む): 39803904

約数和(自身を除く): 18922862

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3701, 5642, 7402, 25907, 48113, 51814, 96226, 114731, 229462, 336791, 673582, 803117, 1491503, 1606234, 2983006, 10440521, 20881042]

約数ペア:

[(1, 20881042), (2, 10440521), (7, 2983006), (13, 1606234), (14, 1491503), (26, 803117), (31, 673582), (62, 336791), (91, 229462), (182, 114731), (217, 96226), (403, 51814), (434, 48113), (806, 25907), (2821, 7402), (3701, 5642)]