20246716

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 42739200

約数和(自身を除く): 22492484

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 149, 161, 211, 298, 322, 422, 596, 644, 844, 1043, 1477, 2086, 2954, 3427, 4172, 4853, 5908, 6854, 9706, 13708, 19412, 23989, 31439, 33971, 47978, 62878, 67942, 95956, 125756, 135884, 220073, 440146, 723097, 880292, 1446194, 2892388, 5061679, 10123358, 20246716]

約数ペア:

[(1, 20246716), (2, 10123358), (4, 5061679), (7, 2892388), (14, 1446194), (23, 880292), (28, 723097), (46, 440146), (92, 220073), (149, 135884), (161, 125756), (211, 95956), (298, 67942), (322, 62878), (422, 47978), (596, 33971), (644, 31439), (844, 23989), (1043, 19412), (1477, 13708), (2086, 9706), (2954, 6854), (3427, 5908), (4172, 4853)]