20944328

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 40901760

約数和(自身を除く): 19957432

約数列:

[1, 2, 4, 8, 47, 53, 94, 106, 188, 212, 376, 424, 1051, 2102, 2491, 4204, 4982, 8408, 9964, 19928, 49397, 55703, 98794, 111406, 197588, 222812, 395176, 445624, 2618041, 5236082, 10472164, 20944328]

約数ペア:

[(1, 20944328), (2, 10472164), (4, 5236082), (8, 2618041), (47, 445624), (53, 395176), (94, 222812), (106, 197588), (188, 111406), (212, 98794), (376, 55703), (424, 49397), (1051, 19928), (2102, 9964), (2491, 8408), (4204, 4982)]