20117848815

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:845

約数の個数: 96

約数和(自身を含む): 36492318720

約数和(自身を除く): 16374469905

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 131, 155, 279, 283, 389, 393, 465, 655, 849, 1167, 1179, 1395, 1415, 1945, 1965, 2547, 3501, 4061, 4245, 5835, 5895, 8773, 12059, 12183, 12735, 17505, 20305, 26319, 36177, 36549, 37073, 43865, 50959, 60295, 60915, 78957, 108531, 110087, 111219, 131595, 152877, 180885, 182745, 185365, 254795, 330261, 333657, 394785, 458631, 542655, 550435, 556095, 764385, 990783, 1149263, 1579729, 1651305, 1668285, 2293155, 3412697, 3447789, 4739187, 4953915, 5746315, 7898645, 10238091, 10343367, 14217561, 14421397, 17063485, 17238945, 23695935, 30714273, 43264191, 51190455, 51716835, 71087805, 72106985, 129792573, 153571365, 216320955, 447063307, 648962865, 1341189921, 2235316535, 4023569763, 6705949605, 20117848815]

約数ペア:

[(1, 20117848815), (3, 6705949605), (5, 4023569763), (9, 2235316535), (15, 1341189921), (31, 648962865), (45, 447063307), (93, 216320955), (131, 153571365), (155, 129792573), (279, 72106985), (283, 71087805), (389, 51716835), (393, 51190455), (465, 43264191), (655, 30714273), (849, 23695935), (1167, 17238945), (1179, 17063485), (1395, 14421397), (1415, 14217561), (1945, 10343367), (1965, 10238091), (2547, 7898645), (3501, 5746315), (4061, 4953915), (4245, 4739187), (5835, 3447789), (5895, 3412697), (8773, 2293155), (12059, 1668285), (12183, 1651305), (12735, 1579729), (17505, 1149263), (20305, 990783), (26319, 764385), (36177, 556095), (36549, 550435), (37073, 542655), (43865, 458631), (50959, 394785), (60295, 333657), (60915, 330261), (78957, 254795), (108531, 185365), (110087, 182745), (111219, 180885), (131595, 152877)]