20743980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345733}}^1$

素因数の和:345745

約数の個数: 24

約数和(自身を含む): 58083312

約数和(自身を除く): 37339332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345733, 691466, 1037199, 1382932, 1728665, 2074398, 3457330, 4148796, 5185995, 6914660, 10371990, 20743980]

約数ペア:

[(1, 20743980), (2, 10371990), (3, 6914660), (4, 5185995), (5, 4148796), (6, 3457330), (10, 2074398), (12, 1728665), (15, 1382932), (20, 1037199), (30, 691466), (60, 345733)]