20235745138

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{77681}}^1$

素因数の和:78522

約数の個数: 32

約数和(自身を含む): 36243313920

約数和(自身を除く): 16007568782

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 809, 1618, 5663, 11326, 18607, 37214, 77681, 130249, 155362, 260498, 543767, 1087534, 1786663, 3573326, 12506641, 25013282, 62843929, 125687858, 439907503, 879815006, 1445410367, 2890820734, 10117872569, 20235745138]

約数ペア:

[(1, 20235745138), (2, 10117872569), (7, 2890820734), (14, 1445410367), (23, 879815006), (46, 439907503), (161, 125687858), (322, 62843929), (809, 25013282), (1618, 12506641), (5663, 3573326), (11326, 1786663), (18607, 1087534), (37214, 543767), (77681, 260498), (130249, 155362)]