20369349

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 44815680

約数和(自身を除く): 24446331

約数列:

[1, 3, 7, 9, 11, 13, 17, 19, 21, 33, 39, 49, 51, 57, 63, 77, 91, 99, 117, 119, 133, 143, 147, 153, 171, 187, 209, 221, 231, 247, 273, 323, 357, 399, 429, 441, 539, 561, 627, 637, 663, 693, 741, 819, 833, 931, 969, 1001, 1071, 1197, 1287, 1309, 1463, 1547, 1617, 1683, 1729, 1881, 1911, 1989, 2223, 2261, 2431, 2499, 2717, 2793, 2907, 3003, 3553, 3927, 4199, 4389, 4641, 4851, 5187, 5733, 6783, 7007, 7293, 7497, 8151, 8379, 9009, 9163, 10241, 10659, 10829, 11781, 12103, 12597, 13167, 13923, 15561, 15827, 17017, 19019, 20349, 21021, 21879, 24453, 24871, 27489, 29393, 30723, 31977, 32487, 36309, 37791, 46189, 47481, 51051, 57057, 63063, 74613, 82467, 88179, 92169, 97461, 108927, 119119, 133133, 138567, 142443, 153153, 171171, 174097, 205751, 223839, 264537, 323323, 357357, 399399, 415701, 522291, 617253, 969969, 1072071, 1198197, 1566873, 1851759, 2263261, 2909907, 6789783, 20369349]

約数ペア:

[(1, 20369349), (3, 6789783), (7, 2909907), (9, 2263261), (11, 1851759), (13, 1566873), (17, 1198197), (19, 1072071), (21, 969969), (33, 617253), (39, 522291), (49, 415701), (51, 399399), (57, 357357), (63, 323323), (77, 264537), (91, 223839), (99, 205751), (117, 174097), (119, 171171), (133, 153153), (143, 142443), (147, 138567), (153, 133133), (171, 119119), (187, 108927), (209, 97461), (221, 92169), (231, 88179), (247, 82467), (273, 74613), (323, 63063), (357, 57057), (399, 51051), (429, 47481), (441, 46189), (539, 37791), (561, 36309), (627, 32487), (637, 31977), (663, 30723), (693, 29393), (741, 27489), (819, 24871), (833, 24453), (931, 21879), (969, 21021), (1001, 20349), (1071, 19019), (1197, 17017), (1287, 15827), (1309, 15561), (1463, 13923), (1547, 13167), (1617, 12597), (1683, 12103), (1729, 11781), (1881, 10829), (1911, 10659), (1989, 10241), (2223, 9163), (2261, 9009), (2431, 8379), (2499, 8151), (2717, 7497), (2793, 7293), (2907, 7007), (3003, 6783), (3553, 5733), (3927, 5187), (4199, 4851), (4389, 4641)]