20826364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2551}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 39515168

約数和(自身を除く): 18688804

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 2551, 4082, 5102, 8164, 10204, 33163, 66326, 132652, 400507, 801014, 1602028, 5206591, 10413182, 20826364]

約数ペア:

[(1, 20826364), (2, 10413182), (4, 5206591), (13, 1602028), (26, 801014), (52, 400507), (157, 132652), (314, 66326), (628, 33163), (2041, 10204), (2551, 8164), (4082, 5102)]