20434360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13807}}^1$

素因数の和:13855

約数の個数: 32

約数和(自身を含む): 47223360

約数和(自身を除く): 26789000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13807, 27614, 55228, 69035, 110456, 138070, 276140, 510859, 552280, 1021718, 2043436, 2554295, 4086872, 5108590, 10217180, 20434360]

約数ペア:

[(1, 20434360), (2, 10217180), (4, 5108590), (5, 4086872), (8, 2554295), (10, 2043436), (20, 1021718), (37, 552280), (40, 510859), (74, 276140), (148, 138070), (185, 110456), (296, 69035), (370, 55228), (740, 27614), (1480, 13807)]