20128934469

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{739}}^1\times {\mathrm{1459}}^1$

素因数の和:2342

約数の個数: 48

約数和(自身を含む): 31530393600

約数和(自身を除く): 11401459131

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 739, 889, 1459, 2217, 2667, 4377, 5173, 6223, 10213, 15519, 18669, 30639, 36211, 71491, 93853, 108633, 185293, 214473, 281559, 555879, 656971, 1078201, 1297051, 1970913, 3234603, 3891153, 4598797, 7547407, 9079357, 13796391, 22642221, 27238071, 52831849, 136931527, 158495547, 410794581, 958520689, 2875562067, 6709644823, 20128934469]

約数ペア:

[(1, 20128934469), (3, 6709644823), (7, 2875562067), (21, 958520689), (49, 410794581), (127, 158495547), (147, 136931527), (381, 52831849), (739, 27238071), (889, 22642221), (1459, 13796391), (2217, 9079357), (2667, 7547407), (4377, 4598797), (5173, 3891153), (6223, 3234603), (10213, 1970913), (15519, 1297051), (18669, 1078201), (30639, 656971), (36211, 555879), (71491, 281559), (93853, 214473), (108633, 185293)]