20997822

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5021}}^1$

素因数の和:5084

約数の個数: 32

約数和(自身を含む): 45559584

約数和(自身を除く): 24561762

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 82, 102, 123, 246, 697, 1394, 2091, 4182, 5021, 10042, 15063, 30126, 85357, 170714, 205861, 256071, 411722, 512142, 617583, 1235166, 3499637, 6999274, 10498911, 20997822]

約数ペア:

[(1, 20997822), (2, 10498911), (3, 6999274), (6, 3499637), (17, 1235166), (34, 617583), (41, 512142), (51, 411722), (82, 256071), (102, 205861), (123, 170714), (246, 85357), (697, 30126), (1394, 15063), (2091, 10042), (4182, 5021)]