201621380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{89213}}^1$

素因数の和:89335

約数の個数: 24

約数和(自身を含む): 427156632

約数和(自身を除く): 225535252

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 89213, 178426, 356852, 446065, 892130, 1784260, 10081069, 20162138, 40324276, 50405345, 100810690, 201621380]

約数ペア:

[(1, 201621380), (2, 100810690), (4, 50405345), (5, 40324276), (10, 20162138), (20, 10081069), (113, 1784260), (226, 892130), (452, 446065), (565, 356852), (1130, 178426), (2260, 89213)]