20974670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1093}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 40171680

約数和(自身を除く): 19197010

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 202, 505, 1010, 1093, 1919, 2186, 3838, 5465, 9595, 10930, 19190, 20767, 41534, 103835, 110393, 207670, 220786, 551965, 1103930, 2097467, 4194934, 10487335, 20974670]

約数ペア:

[(1, 20974670), (2, 10487335), (5, 4194934), (10, 2097467), (19, 1103930), (38, 551965), (95, 220786), (101, 207670), (190, 110393), (202, 103835), (505, 41534), (1010, 20767), (1093, 19190), (1919, 10930), (2186, 9595), (3838, 5465)]