20324970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4261}}^1$

素因数の和:4327

約数の個数: 48

約数和(自身を含む): 53854632

約数和(自身を除く): 33529662

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4261, 4770, 8522, 12783, 21305, 25566, 38349, 42610, 63915, 76698, 127830, 191745, 225833, 383490, 451666, 677499, 1129165, 1354998, 2032497, 2258330, 3387495, 4064994, 6774990, 10162485, 20324970]

約数ペア:

[(1, 20324970), (2, 10162485), (3, 6774990), (5, 4064994), (6, 3387495), (9, 2258330), (10, 2032497), (15, 1354998), (18, 1129165), (30, 677499), (45, 451666), (53, 383490), (90, 225833), (106, 191745), (159, 127830), (265, 76698), (318, 63915), (477, 42610), (530, 38349), (795, 25566), (954, 21305), (1590, 12783), (2385, 8522), (4261, 4770)]