20130764444

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{38639}}^1$

素因数の和:39482

約数の個数: 48

約数和(自身を含む): 42065049600

約数和(自身を除く): 21934285156

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 809, 1618, 3236, 5663, 11326, 18607, 22652, 37214, 38639, 74428, 77278, 130249, 154556, 260498, 270473, 520996, 540946, 888697, 1081892, 1777394, 3554788, 6220879, 12441758, 24883516, 31258951, 62517902, 125035804, 218812657, 437625314, 718955873, 875250628, 1437911746, 2875823492, 5032691111, 10065382222, 20130764444]

約数ペア:

[(1, 20130764444), (2, 10065382222), (4, 5032691111), (7, 2875823492), (14, 1437911746), (23, 875250628), (28, 718955873), (46, 437625314), (92, 218812657), (161, 125035804), (322, 62517902), (644, 31258951), (809, 24883516), (1618, 12441758), (3236, 6220879), (5663, 3554788), (11326, 1777394), (18607, 1081892), (22652, 888697), (37214, 540946), (38639, 520996), (74428, 270473), (77278, 260498), (130249, 154556)]