20548944

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3659}}^1$

素因数の和:3689

約数の個数: 80

約数和(自身を含む): 63537600

約数和(自身を除く): 42988656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3659, 5616, 7318, 10977, 14636, 21954, 29272, 32931, 43908, 47567, 58544, 65862, 87816, 95134, 98793, 131724, 142701, 175632, 190268, 197586, 263448, 285402, 380536, 395172, 428103, 526896, 570804, 761072, 790344, 856206, 1141608, 1284309, 1580688, 1712412, 2283216, 2568618, 3424824, 5137236, 6849648, 10274472, 20548944]

約数ペア:

[(1, 20548944), (2, 10274472), (3, 6849648), (4, 5137236), (6, 3424824), (8, 2568618), (9, 2283216), (12, 1712412), (13, 1580688), (16, 1284309), (18, 1141608), (24, 856206), (26, 790344), (27, 761072), (36, 570804), (39, 526896), (48, 428103), (52, 395172), (54, 380536), (72, 285402), (78, 263448), (104, 197586), (108, 190268), (117, 175632), (144, 142701), (156, 131724), (208, 98793), (216, 95134), (234, 87816), (312, 65862), (351, 58544), (432, 47567), (468, 43908), (624, 32931), (702, 29272), (936, 21954), (1404, 14636), (1872, 10977), (2808, 7318), (3659, 5616)]