20964398

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 39051264

約数和(自身を除く): 18086866

約数列:

[1, 2, 7, 13, 14, 26, 91, 127, 182, 254, 889, 907, 1651, 1778, 1814, 3302, 6349, 11557, 11791, 12698, 23114, 23582, 82537, 115189, 165074, 230378, 806323, 1497457, 1612646, 2994914, 10482199, 20964398]

約数ペア:

[(1, 20964398), (2, 10482199), (7, 2994914), (13, 1612646), (14, 1497457), (26, 806323), (91, 230378), (127, 165074), (182, 115189), (254, 82537), (889, 23582), (907, 23114), (1651, 12698), (1778, 11791), (1814, 11557), (3302, 6349)]