20189930679

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{647}}^2$

素因数の和:1556

約数の個数: 36

約数和(自身を含む): 30609115056

約数和(自身を除く): 10419184377

約数列:

[1, 3, 9, 23, 69, 207, 233, 647, 699, 1941, 2097, 5359, 5823, 14881, 16077, 44643, 48231, 133929, 150751, 418609, 452253, 1255827, 1356759, 3467273, 3767481, 9628007, 10401819, 28884021, 31205457, 86652063, 97535897, 292607691, 877823073, 2243325631, 6729976893, 20189930679]

約数ペア:

[(1, 20189930679), (3, 6729976893), (9, 2243325631), (23, 877823073), (69, 292607691), (207, 97535897), (233, 86652063), (647, 31205457), (699, 28884021), (1941, 10401819), (2097, 9628007), (5359, 3767481), (5823, 3467273), (14881, 1356759), (16077, 1255827), (44643, 452253), (48231, 418609), (133929, 150751)]