12720492

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1543}}^1$

素因数の和:1782

約数の個数: 36

約数和(自身を含む): 32315920

約数和(自身を除く): 19595428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 1543, 2061, 2748, 3086, 4122, 4629, 6172, 8244, 9258, 13887, 18516, 27774, 55548, 353347, 706694, 1060041, 1413388, 2120082, 3180123, 4240164, 6360246, 12720492]

約数ペア:

[(1, 12720492), (2, 6360246), (3, 4240164), (4, 3180123), (6, 2120082), (9, 1413388), (12, 1060041), (18, 706694), (36, 353347), (229, 55548), (458, 27774), (687, 18516), (916, 13887), (1374, 9258), (1543, 8244), (2061, 6172), (2748, 4629), (3086, 4122)]