20960240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5347}}^1$

素因数の和:5374

約数の個数: 60

約数和(自身を含む): 56699496

約数和(自身を除く): 35739256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5347, 10694, 21388, 26735, 37429, 42776, 53470, 74858, 85552, 106940, 149716, 187145, 213880, 262003, 299432, 374290, 427760, 524006, 598864, 748580, 1048012, 1310015, 1497160, 2096024, 2620030, 2994320, 4192048, 5240060, 10480120, 20960240]

約数ペア:

[(1, 20960240), (2, 10480120), (4, 5240060), (5, 4192048), (7, 2994320), (8, 2620030), (10, 2096024), (14, 1497160), (16, 1310015), (20, 1048012), (28, 748580), (35, 598864), (40, 524006), (49, 427760), (56, 374290), (70, 299432), (80, 262003), (98, 213880), (112, 187145), (140, 149716), (196, 106940), (245, 85552), (280, 74858), (392, 53470), (490, 42776), (560, 37429), (784, 26735), (980, 21388), (1960, 10694), (3920, 5347)]