20478884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{577}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 37870560

約数和(自身を除く): 17391676

約数列:

[1, 2, 4, 19, 38, 76, 467, 577, 934, 1154, 1868, 2308, 8873, 10963, 17746, 21926, 35492, 43852, 269459, 538918, 1077836, 5119721, 10239442, 20478884]

約数ペア:

[(1, 20478884), (2, 10239442), (4, 5119721), (19, 1077836), (38, 538918), (76, 269459), (467, 43852), (577, 35492), (934, 21926), (1154, 17746), (1868, 10963), (2308, 8873)]