20475290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8093}}^1$

素因数の和:8134

約数の個数: 32

約数和(自身を含む): 41959296

約数和(自身を除く): 21484006

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8093, 16186, 40465, 80930, 89023, 178046, 186139, 372278, 445115, 890230, 930695, 1861390, 2047529, 4095058, 10237645, 20475290]

約数ペア:

[(1, 20475290), (2, 10237645), (5, 4095058), (10, 2047529), (11, 1861390), (22, 930695), (23, 890230), (46, 445115), (55, 372278), (110, 186139), (115, 178046), (230, 89023), (253, 80930), (506, 40465), (1265, 16186), (2530, 8093)]