20357880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169649}}^1$

素因数の和:169663

約数の個数: 32

約数和(自身を含む): 61074000

約数和(自身を除く): 40716120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169649, 339298, 508947, 678596, 848245, 1017894, 1357192, 1696490, 2035788, 2544735, 3392980, 4071576, 5089470, 6785960, 10178940, 20357880]

約数ペア:

[(1, 20357880), (2, 10178940), (3, 6785960), (4, 5089470), (5, 4071576), (6, 3392980), (8, 2544735), (10, 2035788), (12, 1696490), (15, 1357192), (20, 1017894), (24, 848245), (30, 678596), (40, 508947), (60, 339298), (120, 169649)]