20868757264

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{116113}}^1$

素因数の和:116407

約数の個数: 40

約数和(自身を含む): 41466631680

約数和(自身を除く): 20597874416

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 239, 376, 478, 752, 956, 1912, 3824, 11233, 22466, 44932, 89864, 116113, 179728, 232226, 464452, 928904, 1857808, 5457311, 10914622, 21829244, 27751007, 43658488, 55502014, 87316976, 111004028, 222008056, 444016112, 1304297329, 2608594658, 5217189316, 10434378632, 20868757264]

約数ペア:

[(1, 20868757264), (2, 10434378632), (4, 5217189316), (8, 2608594658), (16, 1304297329), (47, 444016112), (94, 222008056), (188, 111004028), (239, 87316976), (376, 55502014), (478, 43658488), (752, 27751007), (956, 21829244), (1912, 10914622), (3824, 5457311), (11233, 1857808), (22466, 928904), (44932, 464452), (89864, 232226), (116113, 179728)]