20694464

素因数分解:

$2^6\times 7^2\times {\mathrm{6599}}^1$

素因数の和:6625

約数の個数: 42

約数和(自身を含む): 47777400

約数和(自身を除く): 27082936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6599, 13198, 26396, 46193, 52792, 92386, 105584, 184772, 211168, 323351, 369544, 422336, 646702, 739088, 1293404, 1478176, 2586808, 2956352, 5173616, 10347232, 20694464]

約数ペア:

[(1, 20694464), (2, 10347232), (4, 5173616), (7, 2956352), (8, 2586808), (14, 1478176), (16, 1293404), (28, 739088), (32, 646702), (49, 422336), (56, 369544), (64, 323351), (98, 211168), (112, 184772), (196, 105584), (224, 92386), (392, 52792), (448, 46193), (784, 26396), (1568, 13198), (3136, 6599)]