20974804915

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{106129}}^1$

素因数の和:106239

約数の個数: 24

約数和(自身を含む): 26622498240

約数和(自身を除く): 5647693325

約数列:

[1, 5, 29, 47, 145, 235, 841, 1363, 4205, 6815, 39527, 106129, 197635, 530645, 3077741, 4988063, 15388705, 24940315, 89254489, 144653827, 446272445, 723269135, 4194960983, 20974804915]

約数ペア:

[(1, 20974804915), (5, 4194960983), (29, 723269135), (47, 446272445), (145, 144653827), (235, 89254489), (841, 24940315), (1363, 15388705), (4205, 4988063), (6815, 3077741), (39527, 530645), (106129, 197635)]