20286712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3469}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 41223600

約数和(自身を除く): 20936888

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3469, 5848, 6938, 13876, 27752, 58973, 117946, 149167, 235892, 298334, 471784, 596668, 1193336, 2535839, 5071678, 10143356, 20286712]

約数ペア:

[(1, 20286712), (2, 10143356), (4, 5071678), (8, 2535839), (17, 1193336), (34, 596668), (43, 471784), (68, 298334), (86, 235892), (136, 149167), (172, 117946), (344, 58973), (731, 27752), (1462, 13876), (2924, 6938), (3469, 5848)]