20313774

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 51206400

約数和(自身を除く): 30892626

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 1523, 2223, 3046, 4446, 4569, 6669, 9138, 13338, 13707, 19799, 27414, 28937, 39598, 41121, 57874, 59397, 82242, 86811, 118794, 173622, 178191, 260433, 356382, 376181, 520866, 534573, 752362, 781299, 1069146, 1128543, 1562598, 2257086, 3385629, 6771258, 10156887, 20313774]

約数ペア:

[(1, 20313774), (2, 10156887), (3, 6771258), (6, 3385629), (9, 2257086), (13, 1562598), (18, 1128543), (19, 1069146), (26, 781299), (27, 752362), (38, 534573), (39, 520866), (54, 376181), (57, 356382), (78, 260433), (114, 178191), (117, 173622), (171, 118794), (234, 86811), (247, 82242), (342, 59397), (351, 57874), (494, 41121), (513, 39598), (702, 28937), (741, 27414), (1026, 19799), (1482, 13707), (1523, 13338), (2223, 9138), (3046, 6669), (4446, 4569)]