20163490568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{9029}}^1$

素因数の和:9354

約数の個数: 64

約数和(自身を含む): 41301414000

約数和(自身を除く): 21137923432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 197, 218, 394, 436, 788, 872, 1417, 1576, 2561, 2834, 5122, 5668, 9029, 10244, 11336, 18058, 20488, 21473, 36116, 42946, 72232, 85892, 117377, 171784, 234754, 279149, 469508, 558298, 939016, 984161, 1116596, 1778713, 1968322, 2233192, 3557426, 3936644, 7114852, 7873288, 12794093, 14229704, 23123269, 25588186, 46246538, 51176372, 92493076, 102352744, 184986152, 193879717, 387759434, 775518868, 1551037736, 2520436321, 5040872642, 10081745284, 20163490568]

約数ペア:

[(1, 20163490568), (2, 10081745284), (4, 5040872642), (8, 2520436321), (13, 1551037736), (26, 775518868), (52, 387759434), (104, 193879717), (109, 184986152), (197, 102352744), (218, 92493076), (394, 51176372), (436, 46246538), (788, 25588186), (872, 23123269), (1417, 14229704), (1576, 12794093), (2561, 7873288), (2834, 7114852), (5122, 3936644), (5668, 3557426), (9029, 2233192), (10244, 1968322), (11336, 1778713), (18058, 1116596), (20488, 984161), (21473, 939016), (36116, 558298), (42946, 469508), (72232, 279149), (85892, 234754), (117377, 171784)]