20941312

素因数分解:

$2^9\times 7^1\times {\mathrm{5843}}^1$

素因数の和:5868

約数の個数: 40

約数和(自身を含む): 47827296

約数和(自身を除く): 26885984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5843, 11686, 23372, 40901, 46744, 81802, 93488, 163604, 186976, 327208, 373952, 654416, 747904, 1308832, 1495808, 2617664, 2991616, 5235328, 10470656, 20941312]

約数ペア:

[(1, 20941312), (2, 10470656), (4, 5235328), (7, 2991616), (8, 2617664), (14, 1495808), (16, 1308832), (28, 747904), (32, 654416), (56, 373952), (64, 327208), (112, 186976), (128, 163604), (224, 93488), (256, 81802), (448, 46744), (512, 40901), (896, 23372), (1792, 11686), (3584, 5843)]