20900844

素因数分解:

$2^2\times 3^2\times {\mathrm{659}}^1\times {\mathrm{881}}^1$

素因数の和:1550

約数の個数: 36

約数和(自身を含む): 52972920

約数和(自身を除く): 32072076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 659, 881, 1318, 1762, 1977, 2636, 2643, 3524, 3954, 5286, 5931, 7908, 7929, 10572, 11862, 15858, 23724, 31716, 580579, 1161158, 1741737, 2322316, 3483474, 5225211, 6966948, 10450422, 20900844]

約数ペア:

[(1, 20900844), (2, 10450422), (3, 6966948), (4, 5225211), (6, 3483474), (9, 2322316), (12, 1741737), (18, 1161158), (36, 580579), (659, 31716), (881, 23724), (1318, 15858), (1762, 11862), (1977, 10572), (2636, 7929), (2643, 7908), (3524, 5931), (3954, 5286)]