20341504

素因数分解:

$2^8\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:636

約数の個数: 36

約数和(自身を含む): 40920880

約数和(自身を除く): 20579376

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 256, 362, 439, 724, 878, 1448, 1756, 2896, 3512, 5792, 7024, 11584, 14048, 23168, 28096, 46336, 56192, 79459, 112384, 158918, 317836, 635672, 1271344, 2542688, 5085376, 10170752, 20341504]

約数ペア:

[(1, 20341504), (2, 10170752), (4, 5085376), (8, 2542688), (16, 1271344), (32, 635672), (64, 317836), (128, 158918), (181, 112384), (256, 79459), (362, 56192), (439, 46336), (724, 28096), (878, 23168), (1448, 14048), (1756, 11584), (2896, 7024), (3512, 5792)]