20949704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137827}}^1$

素因数の和:137852

約数の個数: 16

約数和(自身を含む): 41348400

約数和(自身を除く): 20398696

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137827, 275654, 551308, 1102616, 2618713, 5237426, 10474852, 20949704]

約数ペア:

[(1, 20949704), (2, 10474852), (4, 5237426), (8, 2618713), (19, 1102616), (38, 551308), (76, 275654), (152, 137827)]