20687742

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67607}}^1$

素因数の和:67632

約数の個数: 24

約数和(自身を含む): 47460816

約数和(自身を除く): 26773074

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67607, 135214, 202821, 405642, 608463, 1149319, 1216926, 2298638, 3447957, 6895914, 10343871, 20687742]

約数ペア:

[(1, 20687742), (2, 10343871), (3, 6895914), (6, 3447957), (9, 2298638), (17, 1216926), (18, 1149319), (34, 608463), (51, 405642), (102, 202821), (153, 135214), (306, 67607)]