20129940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111833}}^1$

素因数の和:111848

約数の個数: 36

約数和(自身を含む): 61061364

約数和(自身を除く): 40931424

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111833, 223666, 335499, 447332, 559165, 670998, 1006497, 1118330, 1341996, 1677495, 2012994, 2236660, 3354990, 4025988, 5032485, 6709980, 10064970, 20129940]

約数ペア:

[(1, 20129940), (2, 10064970), (3, 6709980), (4, 5032485), (5, 4025988), (6, 3354990), (9, 2236660), (10, 2012994), (12, 1677495), (15, 1341996), (18, 1118330), (20, 1006497), (30, 670998), (36, 559165), (45, 447332), (60, 335499), (90, 223666), (180, 111833)]