20550388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{733}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 37075808

約数和(自身を除く): 16525420

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 733, 1466, 2932, 7009, 14018, 28036, 31519, 63038, 119479, 126076, 238958, 477916, 5137597, 10275194, 20550388]

約数ペア:

[(1, 20550388), (2, 10275194), (4, 5137597), (43, 477916), (86, 238958), (163, 126076), (172, 119479), (326, 63038), (652, 31519), (733, 28036), (1466, 14018), (2932, 7009)]