20298940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27431}}^1$

素因数の和:27477

約数の個数: 24

約数和(自身を含む): 43781472

約数和(自身を除く): 23482532

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27431, 54862, 109724, 137155, 274310, 548620, 1014947, 2029894, 4059788, 5074735, 10149470, 20298940]

約数ペア:

[(1, 20298940), (2, 10149470), (4, 5074735), (5, 4059788), (10, 2029894), (20, 1014947), (37, 548620), (74, 274310), (148, 137155), (185, 109724), (370, 54862), (740, 27431)]