20992948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{983}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 38848320

約数和(自身を除く): 17855372

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 983, 1124, 1966, 3932, 5339, 10678, 18677, 21356, 37354, 74708, 276223, 552446, 1104892, 5248237, 10496474, 20992948]

約数ペア:

[(1, 20992948), (2, 10496474), (4, 5248237), (19, 1104892), (38, 552446), (76, 276223), (281, 74708), (562, 37354), (983, 21356), (1124, 18677), (1966, 10678), (3932, 5339)]