20018559999

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1171}}^1\times {\mathrm{1657}}^1$

素因数の和:3031

約数の個数: 32

約数和(自身を含む): 28292642560

約数和(自身を除く): 8274082561

約数列:

[1, 3, 19, 57, 181, 543, 1171, 1657, 3439, 3513, 4971, 10317, 22249, 31483, 66747, 94449, 211951, 299917, 635853, 899751, 1940347, 4027069, 5698423, 5821041, 12081207, 17095269, 36866593, 110599779, 351202807, 1053608421, 6672853333, 20018559999]

約数ペア:

[(1, 20018559999), (3, 6672853333), (19, 1053608421), (57, 351202807), (181, 110599779), (543, 36866593), (1171, 17095269), (1657, 12081207), (3439, 5821041), (3513, 5698423), (4971, 4027069), (10317, 1940347), (22249, 899751), (31483, 635853), (66747, 299917), (94449, 211951)]