20426328

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 60387600

約数和(自身を除く): 39961272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 139, 156, 157, 234, 278, 312, 314, 417, 468, 471, 556, 628, 834, 936, 942, 1112, 1251, 1256, 1413, 1668, 1807, 1884, 2041, 2502, 2826, 3336, 3614, 3768, 4082, 5004, 5421, 5652, 6123, 7228, 8164, 10008, 10842, 11304, 12246, 14456, 16263, 16328, 18369, 21684, 21823, 24492, 32526, 36738, 43368, 43646, 48984, 65052, 65469, 73476, 87292, 130104, 130938, 146952, 174584, 196407, 261876, 283699, 392814, 523752, 567398, 785628, 851097, 1134796, 1571256, 1702194, 2269592, 2553291, 3404388, 5106582, 6808776, 10213164, 20426328]

約数ペア:

[(1, 20426328), (2, 10213164), (3, 6808776), (4, 5106582), (6, 3404388), (8, 2553291), (9, 2269592), (12, 1702194), (13, 1571256), (18, 1134796), (24, 851097), (26, 785628), (36, 567398), (39, 523752), (52, 392814), (72, 283699), (78, 261876), (104, 196407), (117, 174584), (139, 146952), (156, 130938), (157, 130104), (234, 87292), (278, 73476), (312, 65469), (314, 65052), (417, 48984), (468, 43646), (471, 43368), (556, 36738), (628, 32526), (834, 24492), (936, 21823), (942, 21684), (1112, 18369), (1251, 16328), (1256, 16263), (1413, 14456), (1668, 12246), (1807, 11304), (1884, 10842), (2041, 10008), (2502, 8164), (2826, 7228), (3336, 6123), (3614, 5652), (3768, 5421), (4082, 5004)]