20345192

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 48755520

約数和(自身を除く): 28410328

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 49, 56, 68, 71, 86, 98, 119, 136, 142, 172, 196, 238, 284, 301, 344, 392, 476, 497, 568, 602, 731, 833, 952, 994, 1204, 1207, 1462, 1666, 1988, 2107, 2408, 2414, 2924, 3053, 3332, 3479, 3976, 4214, 4828, 5117, 5848, 6106, 6664, 6958, 8428, 8449, 9656, 10234, 12212, 13916, 16856, 16898, 20468, 21371, 24424, 27832, 33796, 35819, 40936, 42742, 51901, 59143, 67592, 71638, 85484, 103802, 118286, 143276, 149597, 170968, 207604, 236572, 286552, 299194, 363307, 415208, 473144, 598388, 726614, 1196776, 1453228, 2543149, 2906456, 5086298, 10172596, 20345192]

約数ペア:

[(1, 20345192), (2, 10172596), (4, 5086298), (7, 2906456), (8, 2543149), (14, 1453228), (17, 1196776), (28, 726614), (34, 598388), (43, 473144), (49, 415208), (56, 363307), (68, 299194), (71, 286552), (86, 236572), (98, 207604), (119, 170968), (136, 149597), (142, 143276), (172, 118286), (196, 103802), (238, 85484), (284, 71638), (301, 67592), (344, 59143), (392, 51901), (476, 42742), (497, 40936), (568, 35819), (602, 33796), (731, 27832), (833, 24424), (952, 21371), (994, 20468), (1204, 16898), (1207, 16856), (1462, 13916), (1666, 12212), (1988, 10234), (2107, 9656), (2408, 8449), (2414, 8428), (2924, 6958), (3053, 6664), (3332, 6106), (3479, 5848), (3976, 5117), (4214, 4828)]