20057148

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4253}}^1$

素因数の和:4394

約数の個数: 36

約数和(自身を含む): 51099048

約数和(自身を除く): 31041900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4253, 4716, 8506, 12759, 17012, 25518, 38277, 51036, 76554, 153108, 557143, 1114286, 1671429, 2228572, 3342858, 5014287, 6685716, 10028574, 20057148]

約数ペア:

[(1, 20057148), (2, 10028574), (3, 6685716), (4, 5014287), (6, 3342858), (9, 2228572), (12, 1671429), (18, 1114286), (36, 557143), (131, 153108), (262, 76554), (393, 51036), (524, 38277), (786, 25518), (1179, 17012), (1572, 12759), (2358, 8506), (4253, 4716)]