20822958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 52363584

約数和(自身を除く): 31540626

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 53, 69, 73, 78, 106, 117, 138, 146, 159, 207, 219, 234, 299, 318, 414, 438, 477, 598, 657, 689, 897, 949, 954, 1219, 1314, 1378, 1679, 1794, 1898, 2067, 2438, 2691, 2847, 3358, 3657, 3869, 4134, 5037, 5382, 5694, 6201, 7314, 7738, 8541, 10074, 10971, 11607, 12402, 15111, 15847, 17082, 21827, 21942, 23214, 30222, 31694, 34821, 43654, 47541, 50297, 65481, 69642, 88987, 95082, 100594, 130962, 142623, 150891, 177974, 196443, 266961, 285246, 301782, 392886, 452673, 533922, 800883, 905346, 1156831, 1601766, 2313662, 3470493, 6940986, 10411479, 20822958]

約数ペア:

[(1, 20822958), (2, 10411479), (3, 6940986), (6, 3470493), (9, 2313662), (13, 1601766), (18, 1156831), (23, 905346), (26, 800883), (39, 533922), (46, 452673), (53, 392886), (69, 301782), (73, 285246), (78, 266961), (106, 196443), (117, 177974), (138, 150891), (146, 142623), (159, 130962), (207, 100594), (219, 95082), (234, 88987), (299, 69642), (318, 65481), (414, 50297), (438, 47541), (477, 43654), (598, 34821), (657, 31694), (689, 30222), (897, 23214), (949, 21942), (954, 21827), (1219, 17082), (1314, 15847), (1378, 15111), (1679, 12402), (1794, 11607), (1898, 10971), (2067, 10074), (2438, 8541), (2691, 7738), (2847, 7314), (3358, 6201), (3657, 5694), (3869, 5382), (4134, 5037)]