20287454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 14383138

約数列:

[1, 2, 11, 22, 31, 62, 151, 197, 302, 341, 394, 682, 1661, 2167, 3322, 4334, 4681, 6107, 9362, 12214, 29747, 51491, 59494, 67177, 102982, 134354, 327217, 654434, 922157, 1844314, 10143727, 20287454]

約数ペア:

[(1, 20287454), (2, 10143727), (11, 1844314), (22, 922157), (31, 654434), (62, 327217), (151, 134354), (197, 102982), (302, 67177), (341, 59494), (394, 51491), (682, 29747), (1661, 12214), (2167, 9362), (3322, 6107), (4334, 4681)]