204896420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{445427}}^1$

素因数の和:445459

約数の個数: 24

約数和(自身を含む): 448991424

約数和(自身を除く): 244095004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 445427, 890854, 1781708, 2227135, 4454270, 8908540, 10244821, 20489642, 40979284, 51224105, 102448210, 204896420]

約数ペア:

[(1, 204896420), (2, 102448210), (4, 51224105), (5, 40979284), (10, 20489642), (20, 10244821), (23, 8908540), (46, 4454270), (92, 2227135), (115, 1781708), (230, 890854), (460, 445427)]