20346986548

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1\times {\mathrm{8627}}^1$

素因数の和:9412

約数の個数: 48

約数和(自身を含む): 41073145344

約数和(自身を除く): 20726158796

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 643, 917, 1286, 1834, 2572, 3668, 4501, 8627, 9002, 17254, 18004, 34508, 60389, 84233, 120778, 168466, 241556, 336932, 589631, 1130137, 1179262, 2260274, 2358524, 4520548, 5547161, 7910959, 11094322, 15821918, 22188644, 31643836, 38830127, 77660254, 155320508, 726678091, 1453356182, 2906712364, 5086746637, 10173493274, 20346986548]

約数ペア:

[(1, 20346986548), (2, 10173493274), (4, 5086746637), (7, 2906712364), (14, 1453356182), (28, 726678091), (131, 155320508), (262, 77660254), (524, 38830127), (643, 31643836), (917, 22188644), (1286, 15821918), (1834, 11094322), (2572, 7910959), (3668, 5547161), (4501, 4520548), (8627, 2358524), (9002, 2260274), (17254, 1179262), (18004, 1130137), (34508, 589631), (60389, 336932), (84233, 241556), (120778, 168466)]