20369339984

素因数分解:

$2^4\times 7^2\times {\mathrm{761}}^1\times {\mathrm{34141}}^1$

素因数の和:34924

約数の個数: 60

約数和(自身を含む): 45970632468

約数和(自身を除く): 25601292484

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 761, 784, 1522, 3044, 5327, 6088, 10654, 12176, 21308, 34141, 37289, 42616, 68282, 74578, 85232, 136564, 149156, 238987, 273128, 298312, 477974, 546256, 596624, 955948, 1672909, 1911896, 3345818, 3823792, 6691636, 13383272, 25981301, 26766544, 51962602, 103925204, 181869107, 207850408, 363738214, 415700816, 727476428, 1273083749, 1454952856, 2546167498, 2909905712, 5092334996, 10184669992, 20369339984]

約数ペア:

[(1, 20369339984), (2, 10184669992), (4, 5092334996), (7, 2909905712), (8, 2546167498), (14, 1454952856), (16, 1273083749), (28, 727476428), (49, 415700816), (56, 363738214), (98, 207850408), (112, 181869107), (196, 103925204), (392, 51962602), (761, 26766544), (784, 25981301), (1522, 13383272), (3044, 6691636), (5327, 3823792), (6088, 3345818), (10654, 1911896), (12176, 1672909), (21308, 955948), (34141, 596624), (37289, 546256), (42616, 477974), (68282, 298312), (74578, 273128), (85232, 238987), (136564, 149156)]