20126812

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 37850176

約数和(自身を除く): 17723364

約数列:

[1, 2, 4, 29, 31, 58, 62, 116, 124, 193, 386, 772, 841, 899, 1682, 1798, 3364, 3596, 5597, 5983, 11194, 11966, 22388, 23932, 26071, 52142, 104284, 162313, 173507, 324626, 347014, 649252, 694028, 5031703, 10063406, 20126812]

約数ペア:

[(1, 20126812), (2, 10063406), (4, 5031703), (29, 694028), (31, 649252), (58, 347014), (62, 324626), (116, 173507), (124, 162313), (193, 104284), (386, 52142), (772, 26071), (841, 23932), (899, 22388), (1682, 11966), (1798, 11194), (3364, 5983), (3596, 5597)]