20789964182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1\times {\mathrm{13613}}^1$

素因数の和:14168

約数の個数: 32

約数和(自身を含む): 33895592640

約数和(自身を除く): 13105628458

約数列:

[1, 2, 13, 26, 151, 302, 389, 778, 1963, 3926, 5057, 10114, 13613, 27226, 58739, 117478, 176969, 353938, 763607, 1527214, 2055563, 4111126, 5295457, 10590914, 26722319, 53444638, 68840941, 137681882, 799614007, 1599228014, 10394982091, 20789964182]

約数ペア:

[(1, 20789964182), (2, 10394982091), (13, 1599228014), (26, 799614007), (151, 137681882), (302, 68840941), (389, 53444638), (778, 26722319), (1963, 10590914), (3926, 5295457), (5057, 4111126), (10114, 2055563), (13613, 1527214), (27226, 763607), (58739, 353938), (117478, 176969)]