20163687219

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{325783}}^1$

素因数の和:325848

約数の個数: 36

約数和(自身を含む): 32788856464

約数和(自身を除く): 12625169245

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 529, 897, 1587, 2691, 4761, 6877, 20631, 61893, 325783, 977349, 2932047, 4235179, 7493009, 12705537, 22479027, 38116611, 67437081, 97409117, 172339207, 292227351, 517017621, 876682053, 1551052863, 2240409691, 6721229073, 20163687219]

約数ペア:

[(1, 20163687219), (3, 6721229073), (9, 2240409691), (13, 1551052863), (23, 876682053), (39, 517017621), (69, 292227351), (117, 172339207), (207, 97409117), (299, 67437081), (529, 38116611), (897, 22479027), (1587, 12705537), (2691, 7493009), (4761, 4235179), (6877, 2932047), (20631, 977349), (61893, 325783)]