20888298

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1171}}^1$

素因数の和:2170

約数の個数: 24

約数和(自身を含む): 45342336

約数和(自身を除く): 24454038

約数列:

[1, 2, 3, 6, 9, 18, 991, 1171, 1982, 2342, 2973, 3513, 5946, 7026, 8919, 10539, 17838, 21078, 1160461, 2320922, 3481383, 6962766, 10444149, 20888298]

約数ペア:

[(1, 20888298), (2, 10444149), (3, 6962766), (6, 3481383), (9, 2320922), (18, 1160461), (991, 21078), (1171, 17838), (1982, 10539), (2342, 8919), (2973, 7026), (3513, 5946)]