20527668

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{431}}^1$

素因数の和:464

約数の個数: 108

約数和(自身を含む): 62741952

約数和(自身を除く): 42214284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 378, 431, 441, 486, 567, 588, 756, 862, 882, 972, 1134, 1293, 1323, 1701, 1724, 1764, 2268, 2586, 2646, 3017, 3402, 3879, 3969, 5172, 5292, 6034, 6804, 7758, 7938, 9051, 11637, 11907, 12068, 15516, 15876, 18102, 21119, 23274, 23814, 27153, 34911, 36204, 42238, 46548, 47628, 54306, 63357, 69822, 81459, 84476, 104733, 108612, 126714, 139644, 162918, 190071, 209466, 244377, 253428, 325836, 380142, 418932, 488754, 570213, 733131, 760284, 977508, 1140426, 1466262, 1710639, 2280852, 2932524, 3421278, 5131917, 6842556, 10263834, 20527668]

約数ペア:

[(1, 20527668), (2, 10263834), (3, 6842556), (4, 5131917), (6, 3421278), (7, 2932524), (9, 2280852), (12, 1710639), (14, 1466262), (18, 1140426), (21, 977508), (27, 760284), (28, 733131), (36, 570213), (42, 488754), (49, 418932), (54, 380142), (63, 325836), (81, 253428), (84, 244377), (98, 209466), (108, 190071), (126, 162918), (147, 139644), (162, 126714), (189, 108612), (196, 104733), (243, 84476), (252, 81459), (294, 69822), (324, 63357), (378, 54306), (431, 47628), (441, 46548), (486, 42238), (567, 36204), (588, 34911), (756, 27153), (862, 23814), (882, 23274), (972, 21119), (1134, 18102), (1293, 15876), (1323, 15516), (1701, 12068), (1724, 11907), (1764, 11637), (2268, 9051), (2586, 7938), (2646, 7758), (3017, 6804), (3402, 6034), (3879, 5292), (3969, 5172)]