20512097540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1\times {\mathrm{112741}}^1$

素因数の和:113588

約数の個数: 48

約数和(自身を含む): 47048589504

約数和(自身を除く): 26536491964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 827, 1654, 3308, 4135, 8270, 9097, 16540, 18194, 36388, 45485, 90970, 112741, 181940, 225482, 450964, 563705, 1127410, 1240151, 2254820, 2480302, 4960604, 6200755, 12401510, 24803020, 93236807, 186473614, 372947228, 466184035, 932368070, 1025604877, 1864736140, 2051209754, 4102419508, 5128024385, 10256048770, 20512097540]

約数ペア:

[(1, 20512097540), (2, 10256048770), (4, 5128024385), (5, 4102419508), (10, 2051209754), (11, 1864736140), (20, 1025604877), (22, 932368070), (44, 466184035), (55, 372947228), (110, 186473614), (220, 93236807), (827, 24803020), (1654, 12401510), (3308, 6200755), (4135, 4960604), (8270, 2480302), (9097, 2254820), (16540, 1240151), (18194, 1127410), (36388, 563705), (45485, 450964), (90970, 225482), (112741, 181940)]