20199789736

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8388617}}^1$

素因数の和:8388673

約数の個数: 32

約数和(自身を含む): 44291903040

約数和(自身を除く): 24092113304

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8388617, 16777234, 33554468, 58720319, 67108936, 117440638, 234881276, 360710531, 469762552, 721421062, 1442842124, 2524973717, 2885684248, 5049947434, 10099894868, 20199789736]

約数ペア:

[(1, 20199789736), (2, 10099894868), (4, 5049947434), (7, 2885684248), (8, 2524973717), (14, 1442842124), (28, 721421062), (43, 469762552), (56, 360710531), (86, 234881276), (172, 117440638), (301, 67108936), (344, 58720319), (602, 33554468), (1204, 16777234), (2408, 8388617)]