20701780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94099}}^1$

素因数の和:94119

約数の個数: 24

約数和(自身を含む): 47426400

約数和(自身を除く): 26724620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94099, 188198, 376396, 470495, 940990, 1035089, 1881980, 2070178, 4140356, 5175445, 10350890, 20701780]

約数ペア:

[(1, 20701780), (2, 10350890), (4, 5175445), (5, 4140356), (10, 2070178), (11, 1881980), (20, 1035089), (22, 940990), (44, 470495), (55, 376396), (110, 188198), (220, 94099)]