20262892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20509}}^1$

素因数の和:20545

約数の個数: 24

約数和(自身を含む): 40199600

約数和(自身を除く): 19936708

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20509, 41018, 82036, 266617, 389671, 533234, 779342, 1066468, 1558684, 5065723, 10131446, 20262892]

約数ペア:

[(1, 20262892), (2, 10131446), (4, 5065723), (13, 1558684), (19, 1066468), (26, 779342), (38, 533234), (52, 389671), (76, 266617), (247, 82036), (494, 41018), (988, 20509)]