20332240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6869}}^1$

素因数の和:6919

約数の個数: 40

約数和(自身を含む): 48557160

約数和(自身を除く): 28224920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6869, 13738, 27476, 34345, 54952, 68690, 109904, 137380, 254153, 274760, 508306, 549520, 1016612, 1270765, 2033224, 2541530, 4066448, 5083060, 10166120, 20332240]

約数ペア:

[(1, 20332240), (2, 10166120), (4, 5083060), (5, 4066448), (8, 2541530), (10, 2033224), (16, 1270765), (20, 1016612), (37, 549520), (40, 508306), (74, 274760), (80, 254153), (148, 137380), (185, 109904), (296, 68690), (370, 54952), (592, 34345), (740, 27476), (1480, 13738), (2960, 6869)]