20265830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155891}}^1$

素因数の和:155911

約数の個数: 16

約数和(自身を含む): 39284784

約数和(自身を除く): 19018954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155891, 311782, 779455, 1558910, 2026583, 4053166, 10132915, 20265830]

約数ペア:

[(1, 20265830), (2, 10132915), (5, 4053166), (10, 2026583), (13, 1558910), (26, 779455), (65, 311782), (130, 155891)]