20120863816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61344097}}^1$

素因数の和:61344144

約数の個数: 16

約数和(自身を含む): 38646781740

約数和(自身を除く): 18525917924

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61344097, 122688194, 245376388, 490752776, 2515107977, 5030215954, 10060431908, 20120863816]

約数ペア:

[(1, 20120863816), (2, 10060431908), (4, 5030215954), (8, 2515107977), (41, 490752776), (82, 245376388), (164, 122688194), (328, 61344097)]