20018982

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{7963}}^1$

素因数の和:8387

約数の個数: 16

約数和(自身を含む): 40138560

約数和(自身を除く): 20119578

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 7963, 15926, 23889, 47778, 3336497, 6672994, 10009491, 20018982]

約数ペア:

[(1, 20018982), (2, 10009491), (3, 6672994), (6, 3336497), (419, 47778), (838, 23889), (1257, 15926), (2514, 7963)]