20393646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 51480576

約数和(自身を除く): 31086930

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 82, 91, 123, 182, 246, 273, 287, 533, 546, 574, 861, 911, 1066, 1599, 1722, 1822, 2733, 3198, 3731, 5466, 6377, 7462, 11193, 11843, 12754, 19131, 22386, 23686, 35529, 37351, 38262, 71058, 74702, 82901, 112053, 165802, 224106, 248703, 261457, 485563, 497406, 522914, 784371, 971126, 1456689, 1568742, 2913378, 3398941, 6797882, 10196823, 20393646]

約数ペア:

[(1, 20393646), (2, 10196823), (3, 6797882), (6, 3398941), (7, 2913378), (13, 1568742), (14, 1456689), (21, 971126), (26, 784371), (39, 522914), (41, 497406), (42, 485563), (78, 261457), (82, 248703), (91, 224106), (123, 165802), (182, 112053), (246, 82901), (273, 74702), (287, 71058), (533, 38262), (546, 37351), (574, 35529), (861, 23686), (911, 22386), (1066, 19131), (1599, 12754), (1722, 11843), (1822, 11193), (2733, 7462), (3198, 6377), (3731, 5466)]