20855838

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1471}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 23657442

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 139, 278, 417, 834, 1471, 2363, 2942, 4413, 4726, 7089, 8826, 14178, 25007, 50014, 75021, 150042, 204469, 408938, 613407, 1226814, 3475973, 6951946, 10427919, 20855838]

約数ペア:

[(1, 20855838), (2, 10427919), (3, 6951946), (6, 3475973), (17, 1226814), (34, 613407), (51, 408938), (102, 204469), (139, 150042), (278, 75021), (417, 50014), (834, 25007), (1471, 14178), (2363, 8826), (2942, 7089), (4413, 4726)]