20930240

素因数分解:

$2^6\times 5^1\times {\mathrm{65407}}^1$

素因数の和:65424

約数の個数: 28

約数和(自身を含む): 49840896

約数和(自身を除く): 28910656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65407, 130814, 261628, 327035, 523256, 654070, 1046512, 1308140, 2093024, 2616280, 4186048, 5232560, 10465120, 20930240]

約数ペア:

[(1, 20930240), (2, 10465120), (4, 5232560), (5, 4186048), (8, 2616280), (10, 2093024), (16, 1308140), (20, 1046512), (32, 654070), (40, 523256), (64, 327035), (80, 261628), (160, 130814), (320, 65407)]