20476716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 54109440

約数和(自身を除く): 33632724

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 169, 276, 299, 338, 439, 507, 598, 676, 878, 897, 1014, 1196, 1317, 1756, 1794, 2028, 2634, 3588, 3887, 5268, 5707, 7774, 10097, 11414, 11661, 15548, 17121, 20194, 22828, 23322, 30291, 34242, 40388, 46644, 60582, 68484, 74191, 121164, 131261, 148382, 222573, 262522, 296764, 393783, 445146, 525044, 787566, 890292, 1575132, 1706393, 3412786, 5119179, 6825572, 10238358, 20476716]

約数ペア:

[(1, 20476716), (2, 10238358), (3, 6825572), (4, 5119179), (6, 3412786), (12, 1706393), (13, 1575132), (23, 890292), (26, 787566), (39, 525044), (46, 445146), (52, 393783), (69, 296764), (78, 262522), (92, 222573), (138, 148382), (156, 131261), (169, 121164), (276, 74191), (299, 68484), (338, 60582), (439, 46644), (507, 40388), (598, 34242), (676, 30291), (878, 23322), (897, 22828), (1014, 20194), (1196, 17121), (1317, 15548), (1756, 11661), (1794, 11414), (2028, 10097), (2634, 7774), (3588, 5707), (3887, 5268)]