20341784

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19056616

約数列:

[1, 2, 4, 8, 59, 71, 118, 142, 236, 284, 472, 568, 607, 1214, 2428, 4189, 4856, 8378, 16756, 33512, 35813, 43097, 71626, 86194, 143252, 172388, 286504, 344776, 2542723, 5085446, 10170892, 20341784]

約数ペア:

[(1, 20341784), (2, 10170892), (4, 5085446), (8, 2542723), (59, 344776), (71, 286504), (118, 172388), (142, 143252), (236, 86194), (284, 71626), (472, 43097), (568, 35813), (607, 33512), (1214, 16756), (2428, 8378), (4189, 4856)]