20505636

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3366

約数の個数: 60

約数和(自身を含む): 56444080

約数和(自身を除く): 35938444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3331, 6156, 6662, 9993, 13324, 19986, 29979, 39972, 59958, 63289, 89937, 119916, 126578, 179874, 189867, 253156, 269811, 359748, 379734, 539622, 569601, 759468, 1079244, 1139202, 1708803, 2278404, 3417606, 5126409, 6835212, 10252818, 20505636]

約数ペア:

[(1, 20505636), (2, 10252818), (3, 6835212), (4, 5126409), (6, 3417606), (9, 2278404), (12, 1708803), (18, 1139202), (19, 1079244), (27, 759468), (36, 569601), (38, 539622), (54, 379734), (57, 359748), (76, 269811), (81, 253156), (108, 189867), (114, 179874), (162, 126578), (171, 119916), (228, 89937), (324, 63289), (342, 59958), (513, 39972), (684, 29979), (1026, 19986), (1539, 13324), (2052, 9993), (3078, 6662), (3331, 6156)]