20496680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22279}}^1$

素因数の和:22313

約数の個数: 32

約数和(自身を含む): 48124800

約数和(自身を除く): 27628120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22279, 44558, 89116, 111395, 178232, 222790, 445580, 512417, 891160, 1024834, 2049668, 2562085, 4099336, 5124170, 10248340, 20496680]

約数ペア:

[(1, 20496680), (2, 10248340), (4, 5124170), (5, 4099336), (8, 2562085), (10, 2049668), (20, 1024834), (23, 891160), (40, 512417), (46, 445580), (92, 222790), (115, 178232), (184, 111395), (230, 89116), (460, 44558), (920, 22279)]