20095504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8783}}^1$

素因数の和:8815

約数の個数: 40

約数和(自身を含む): 45747072

約数和(自身を除く): 25651568

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8783, 17566, 35132, 70264, 96613, 114179, 140528, 193226, 228358, 386452, 456716, 772904, 913432, 1255969, 1545808, 1826864, 2511938, 5023876, 10047752, 20095504]

約数ペア:

[(1, 20095504), (2, 10047752), (4, 5023876), (8, 2511938), (11, 1826864), (13, 1545808), (16, 1255969), (22, 913432), (26, 772904), (44, 456716), (52, 386452), (88, 228358), (104, 193226), (143, 140528), (176, 114179), (208, 96613), (286, 70264), (572, 35132), (1144, 17566), (2288, 8783)]