20649998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23627}}^1$

素因数の和:23671

約数の個数: 16

約数和(自身を含む): 34024320

約数和(自身を除く): 13374322

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23627, 47254, 448913, 543421, 897826, 1086842, 10324999, 20649998]

約数ペア:

[(1, 20649998), (2, 10324999), (19, 1086842), (23, 897826), (38, 543421), (46, 448913), (437, 47254), (874, 23627)]