20555970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{685199}}^1$

素因数の和:685209

約数の個数: 16

約数和(自身を含む): 49334400

約数和(自身を除く): 28778430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 685199, 1370398, 2055597, 3425995, 4111194, 6851990, 10277985, 20555970]

約数ペア:

[(1, 20555970), (2, 10277985), (3, 6851990), (5, 4111194), (6, 3425995), (10, 2055597), (15, 1370398), (30, 685199)]