20123614

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 38117952

約数和(自身を除く): 17994338

約数列:

[1, 2, 7, 14, 17, 34, 47, 49, 94, 98, 119, 238, 257, 329, 514, 658, 799, 833, 1598, 1666, 1799, 2303, 3598, 4369, 4606, 5593, 8738, 11186, 12079, 12593, 24158, 25186, 30583, 39151, 61166, 78302, 84553, 169106, 205343, 214081, 410686, 428162, 591871, 1183742, 1437401, 2874802, 10061807, 20123614]

約数ペア:

[(1, 20123614), (2, 10061807), (7, 2874802), (14, 1437401), (17, 1183742), (34, 591871), (47, 428162), (49, 410686), (94, 214081), (98, 205343), (119, 169106), (238, 84553), (257, 78302), (329, 61166), (514, 39151), (658, 30583), (799, 25186), (833, 24158), (1598, 12593), (1666, 12079), (1799, 11186), (2303, 8738), (3598, 5593), (4369, 4606)]