20178592

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:798

約数の個数: 72

約数和(自身を含む): 48995604

約数和(自身を除く): 28817012

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 757, 784, 833, 952, 1514, 1568, 1666, 1904, 3028, 3332, 3808, 5299, 6056, 6664, 10598, 12112, 12869, 13328, 21196, 24224, 25738, 26656, 37093, 42392, 51476, 74186, 84784, 90083, 102952, 148372, 169568, 180166, 205904, 296744, 360332, 411808, 593488, 630581, 720664, 1186976, 1261162, 1441328, 2522324, 2882656, 5044648, 10089296, 20178592]

約数ペア:

[(1, 20178592), (2, 10089296), (4, 5044648), (7, 2882656), (8, 2522324), (14, 1441328), (16, 1261162), (17, 1186976), (28, 720664), (32, 630581), (34, 593488), (49, 411808), (56, 360332), (68, 296744), (98, 205904), (112, 180166), (119, 169568), (136, 148372), (196, 102952), (224, 90083), (238, 84784), (272, 74186), (392, 51476), (476, 42392), (544, 37093), (757, 26656), (784, 25738), (833, 24224), (952, 21196), (1514, 13328), (1568, 12869), (1666, 12112), (1904, 10598), (3028, 6664), (3332, 6056), (3808, 5299)]