20121482456

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{108991}}^1$

素因数の和:109535

約数の個数: 32

約数和(自身を含む): 38609326080

約数和(自身を除く): 18487843624

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 491, 982, 1964, 3928, 23077, 46154, 92308, 108991, 184616, 217982, 435964, 871928, 5122577, 10245154, 20490308, 40980616, 53514581, 107029162, 214058324, 428116648, 2515185307, 5030370614, 10060741228, 20121482456]

約数ペア:

[(1, 20121482456), (2, 10060741228), (4, 5030370614), (8, 2515185307), (47, 428116648), (94, 214058324), (188, 107029162), (376, 53514581), (491, 40980616), (982, 20490308), (1964, 10245154), (3928, 5122577), (23077, 871928), (46154, 435964), (92308, 217982), (108991, 184616)]