20208978880

素因数分解:

$2^6\times 5^1\times {\mathrm{63153059}}^1$

素因数の和:63153076

約数の個数: 28

約数和(自身を含む): 48122631720

約数和(自身を除く): 27913652840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63153059, 126306118, 252612236, 315765295, 505224472, 631530590, 1010448944, 1263061180, 2020897888, 2526122360, 4041795776, 5052244720, 10104489440, 20208978880]

約数ペア:

[(1, 20208978880), (2, 10104489440), (4, 5052244720), (5, 4041795776), (8, 2526122360), (10, 2020897888), (16, 1263061180), (20, 1010448944), (32, 631530590), (40, 505224472), (64, 315765295), (80, 252612236), (160, 126306118), (320, 63153059)]