20189965827

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{10847}}^1$

素因数の和:11247

約数の個数: 32

約数和(自身を含む): 28226322432

約数和(自身を除く): 8036356605

約数列:

[1, 3, 43, 47, 129, 141, 307, 921, 2021, 6063, 10847, 13201, 14429, 32541, 39603, 43287, 466421, 509809, 620447, 1399263, 1529427, 1861341, 3330029, 9990087, 21921787, 65765361, 143191247, 156511363, 429573741, 469534089, 6729988609, 20189965827]

約数ペア:

[(1, 20189965827), (3, 6729988609), (43, 469534089), (47, 429573741), (129, 156511363), (141, 143191247), (307, 65765361), (921, 21921787), (2021, 9990087), (6063, 3330029), (10847, 1861341), (13201, 1529427), (14429, 1399263), (32541, 620447), (39603, 509809), (43287, 466421)]