20752004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 45685248

約数和(自身を除く): 24933244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 182, 188, 329, 364, 611, 658, 1213, 1222, 1316, 2426, 2444, 4277, 4852, 8491, 8554, 15769, 16982, 17108, 31538, 33964, 57011, 63076, 110383, 114022, 220766, 228044, 399077, 441532, 741143, 798154, 1482286, 1596308, 2964572, 5188001, 10376002, 20752004]

約数ペア:

[(1, 20752004), (2, 10376002), (4, 5188001), (7, 2964572), (13, 1596308), (14, 1482286), (26, 798154), (28, 741143), (47, 441532), (52, 399077), (91, 228044), (94, 220766), (182, 114022), (188, 110383), (329, 63076), (364, 57011), (611, 33964), (658, 31538), (1213, 17108), (1222, 16982), (1316, 15769), (2426, 8554), (2444, 8491), (4277, 4852)]