20837586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 56733696

約数和(自身を除く): 35896110

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 37, 42, 46, 53, 66, 69, 74, 77, 106, 111, 138, 154, 159, 161, 222, 231, 253, 259, 318, 322, 371, 407, 462, 483, 506, 518, 583, 742, 759, 777, 814, 851, 966, 1113, 1166, 1219, 1221, 1518, 1554, 1702, 1749, 1771, 1961, 2226, 2438, 2442, 2553, 2849, 3498, 3542, 3657, 3922, 4081, 5106, 5313, 5698, 5883, 5957, 7314, 8162, 8533, 8547, 9361, 10626, 11766, 11914, 12243, 13409, 13727, 17066, 17094, 17871, 18722, 21571, 24486, 25599, 26818, 27454, 28083, 35742, 40227, 41181, 43142, 45103, 51198, 56166, 64713, 65527, 80454, 82362, 90206, 93863, 129426, 131054, 135309, 150997, 187726, 196581, 270618, 281589, 301994, 315721, 393162, 452991, 496133, 563178, 631442, 905982, 947163, 992266, 1488399, 1894326, 2976798, 3472931, 6945862, 10418793, 20837586]

約数ペア:

[(1, 20837586), (2, 10418793), (3, 6945862), (6, 3472931), (7, 2976798), (11, 1894326), (14, 1488399), (21, 992266), (22, 947163), (23, 905982), (33, 631442), (37, 563178), (42, 496133), (46, 452991), (53, 393162), (66, 315721), (69, 301994), (74, 281589), (77, 270618), (106, 196581), (111, 187726), (138, 150997), (154, 135309), (159, 131054), (161, 129426), (222, 93863), (231, 90206), (253, 82362), (259, 80454), (318, 65527), (322, 64713), (371, 56166), (407, 51198), (462, 45103), (483, 43142), (506, 41181), (518, 40227), (583, 35742), (742, 28083), (759, 27454), (777, 26818), (814, 25599), (851, 24486), (966, 21571), (1113, 18722), (1166, 17871), (1219, 17094), (1221, 17066), (1518, 13727), (1554, 13409), (1702, 12243), (1749, 11914), (1771, 11766), (1961, 10626), (2226, 9361), (2438, 8547), (2442, 8533), (2553, 8162), (2849, 7314), (3498, 5957), (3542, 5883), (3657, 5698), (3922, 5313), (4081, 5106)]