20890150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14407}}^1$

素因数の和:14448

約数の個数: 24

約数和(自身を含む): 40198320

約数和(自身を除く): 19308170

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14407, 28814, 72035, 144070, 360175, 417803, 720350, 835606, 2089015, 4178030, 10445075, 20890150]

約数ペア:

[(1, 20890150), (2, 10445075), (5, 4178030), (10, 2089015), (25, 835606), (29, 720350), (50, 417803), (58, 360175), (145, 144070), (290, 72035), (725, 28814), (1450, 14407)]