20564512

素因数分解:

$2^5\times {\mathrm{269}}^1\times {\mathrm{2389}}^1$

素因数の和:2668

約数の個数: 24

約数和(自身を含む): 40653900

約数和(自身を除く): 20089388

約数列:

[1, 2, 4, 8, 16, 32, 269, 538, 1076, 2152, 2389, 4304, 4778, 8608, 9556, 19112, 38224, 76448, 642641, 1285282, 2570564, 5141128, 10282256, 20564512]

約数ペア:

[(1, 20564512), (2, 10282256), (4, 5141128), (8, 2570564), (16, 1285282), (32, 642641), (269, 76448), (538, 38224), (1076, 19112), (2152, 9556), (2389, 8608), (4304, 4778)]