20218557044

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1\times {\mathrm{4621}}^1$

素因数の和:5448

約数の個数: 48

約数和(自身を含む): 40657330560

約数和(自身を除く): 20438773516

約数列:

[1, 2, 4, 7, 14, 28, 307, 509, 614, 1018, 1228, 2036, 2149, 3563, 4298, 4621, 7126, 8596, 9242, 14252, 18484, 32347, 64694, 129388, 156263, 312526, 625052, 1093841, 1418647, 2187682, 2352089, 2837294, 4375364, 4704178, 5674588, 9408356, 9930529, 16464623, 19861058, 32929246, 39722116, 65858492, 722091323, 1444182646, 2888365292, 5054639261, 10109278522, 20218557044]

約数ペア:

[(1, 20218557044), (2, 10109278522), (4, 5054639261), (7, 2888365292), (14, 1444182646), (28, 722091323), (307, 65858492), (509, 39722116), (614, 32929246), (1018, 19861058), (1228, 16464623), (2036, 9930529), (2149, 9408356), (3563, 5674588), (4298, 4704178), (4621, 4375364), (7126, 2837294), (8596, 2352089), (9242, 2187682), (14252, 1418647), (18484, 1093841), (32347, 625052), (64694, 312526), (129388, 156263)]