20563144

素因数分解:

$2^3\times 7^2\times {\mathrm{52457}}^1$

素因数の和:52477

約数の個数: 24

約数和(自身を含む): 44851590

約数和(自身を除く): 24288446

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52457, 104914, 209828, 367199, 419656, 734398, 1468796, 2570393, 2937592, 5140786, 10281572, 20563144]

約数ペア:

[(1, 20563144), (2, 10281572), (4, 5140786), (7, 2937592), (8, 2570393), (14, 1468796), (28, 734398), (49, 419656), (56, 367199), (98, 209828), (196, 104914), (392, 52457)]