20896420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45427}}^1$

素因数の和:45459

約数の個数: 24

約数和(自身を含む): 45791424

約数和(自身を除く): 24895004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45427, 90854, 181708, 227135, 454270, 908540, 1044821, 2089642, 4179284, 5224105, 10448210, 20896420]

約数ペア:

[(1, 20896420), (2, 10448210), (4, 5224105), (5, 4179284), (10, 2089642), (20, 1044821), (23, 908540), (46, 454270), (92, 227135), (115, 181708), (230, 90854), (460, 45427)]