20717042508

素因数分解:

$2^2\times 3^2\times {\mathrm{3187}}^1\times {\mathrm{180569}}^1$

素因数の和:183766

約数の個数: 36

約数和(自身を含む): 52384801560

約数和(自身を除く): 31667759052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 3187, 6374, 9561, 12748, 19122, 28683, 38244, 57366, 114732, 180569, 361138, 541707, 722276, 1083414, 1625121, 2166828, 3250242, 6500484, 575473403, 1150946806, 1726420209, 2301893612, 3452840418, 5179260627, 6905680836, 10358521254, 20717042508]

約数ペア:

[(1, 20717042508), (2, 10358521254), (3, 6905680836), (4, 5179260627), (6, 3452840418), (9, 2301893612), (12, 1726420209), (18, 1150946806), (36, 575473403), (3187, 6500484), (6374, 3250242), (9561, 2166828), (12748, 1625121), (19122, 1083414), (28683, 722276), (38244, 541707), (57366, 361138), (114732, 180569)]