20590976

素因数分解:

$2^7\times 7^4\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 80

約数和(自身を含む): 48569340

約数和(自身を除く): 27978364

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 67, 98, 112, 128, 134, 196, 224, 268, 343, 392, 448, 469, 536, 686, 784, 896, 938, 1072, 1372, 1568, 1876, 2144, 2401, 2744, 3136, 3283, 3752, 4288, 4802, 5488, 6272, 6566, 7504, 8576, 9604, 10976, 13132, 15008, 19208, 21952, 22981, 26264, 30016, 38416, 43904, 45962, 52528, 60032, 76832, 91924, 105056, 153664, 160867, 183848, 210112, 307328, 321734, 367696, 420224, 643468, 735392, 1286936, 1470784, 2573872, 2941568, 5147744, 10295488, 20590976]

約数ペア:

[(1, 20590976), (2, 10295488), (4, 5147744), (7, 2941568), (8, 2573872), (14, 1470784), (16, 1286936), (28, 735392), (32, 643468), (49, 420224), (56, 367696), (64, 321734), (67, 307328), (98, 210112), (112, 183848), (128, 160867), (134, 153664), (196, 105056), (224, 91924), (268, 76832), (343, 60032), (392, 52528), (448, 45962), (469, 43904), (536, 38416), (686, 30016), (784, 26264), (896, 22981), (938, 21952), (1072, 19208), (1372, 15008), (1568, 13132), (1876, 10976), (2144, 9604), (2401, 8576), (2744, 7504), (3136, 6566), (3283, 6272), (3752, 5488), (4288, 4802)]