20226753

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 32940072

約数和(自身を除く): 12713319

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 333, 397, 459, 629, 999, 1191, 1377, 1887, 2997, 3573, 5661, 6749, 10719, 14689, 16983, 20247, 32157, 44067, 50949, 60741, 132201, 182223, 249713, 396603, 546669, 749139, 1189809, 2247417, 6742251, 20226753]

約数ペア:

[(1, 20226753), (3, 6742251), (9, 2247417), (17, 1189809), (27, 749139), (37, 546669), (51, 396603), (81, 249713), (111, 182223), (153, 132201), (333, 60741), (397, 50949), (459, 44067), (629, 32157), (999, 20247), (1191, 16983), (1377, 14689), (1887, 10719), (2997, 6749), (3573, 5661)]