20531268

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1723}}^1$

素因数の和:2064

約数の個数: 36

約数和(自身を含む): 52085488

約数和(自身を除く): 31554220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1723, 1986, 2979, 3446, 3972, 5169, 5958, 6892, 10338, 11916, 15507, 20676, 31014, 62028, 570313, 1140626, 1710939, 2281252, 3421878, 5132817, 6843756, 10265634, 20531268]

約数ペア:

[(1, 20531268), (2, 10265634), (3, 6843756), (4, 5132817), (6, 3421878), (9, 2281252), (12, 1710939), (18, 1140626), (36, 570313), (331, 62028), (662, 31014), (993, 20676), (1324, 15507), (1723, 11916), (1986, 10338), (2979, 6892), (3446, 5958), (3972, 5169)]