20744940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345749}}^1$

素因数の和:345761

約数の個数: 24

約数和(自身を含む): 58086000

約数和(自身を除く): 37341060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345749, 691498, 1037247, 1382996, 1728745, 2074494, 3457490, 4148988, 5186235, 6914980, 10372470, 20744940]

約数ペア:

[(1, 20744940), (2, 10372470), (3, 6914980), (4, 5186235), (5, 4148988), (6, 3457490), (10, 2074494), (12, 1728745), (15, 1382996), (20, 1037247), (30, 691498), (60, 345749)]