20586748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 46287360

約数和(自身を除く): 25700612

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2459, 4186, 4918, 8372, 9836, 17213, 31967, 34426, 56557, 63934, 68852, 113114, 127868, 223769, 226228, 395899, 447538, 735241, 791798, 895076, 1470482, 1583596, 2940964, 5146687, 10293374, 20586748]

約数ペア:

[(1, 20586748), (2, 10293374), (4, 5146687), (7, 2940964), (13, 1583596), (14, 1470482), (23, 895076), (26, 791798), (28, 735241), (46, 447538), (52, 395899), (91, 226228), (92, 223769), (161, 127868), (182, 113114), (299, 68852), (322, 63934), (364, 56557), (598, 34426), (644, 31967), (1196, 17213), (2093, 9836), (2459, 8372), (4186, 4918)]