2020203899

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 2539555200

約数和(自身を除く): 519351301

約数列:

[1, 7, 19, 49, 67, 133, 139, 233, 469, 931, 973, 1273, 1631, 2641, 3283, 4427, 6811, 8911, 9313, 11417, 15611, 18487, 30989, 32387, 62377, 65191, 109277, 129409, 176947, 216923, 226709, 296609, 456337, 615353, 764939, 1238629, 1586963, 2076263, 2169929, 4307471, 8670403, 14533841, 15189503, 30152297, 41228651, 106326521, 288600557, 2020203899]

約数ペア:

[(1, 2020203899), (7, 288600557), (19, 106326521), (49, 41228651), (67, 30152297), (133, 15189503), (139, 14533841), (233, 8670403), (469, 4307471), (931, 2169929), (973, 2076263), (1273, 1586963), (1631, 1238629), (2641, 764939), (3283, 615353), (4427, 456337), (6811, 296609), (8911, 226709), (9313, 216923), (11417, 176947), (15611, 129409), (18487, 109277), (30989, 65191), (32387, 62377)]