20123362808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{214133}}^1$

素因数の和:214847

約数の個数: 32

約数和(自身を含む): 40008796560

約数和(自身を除く): 19885433752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 691, 1382, 2764, 5528, 11747, 23494, 46988, 93976, 214133, 428266, 856532, 1713064, 3640261, 7280522, 14561044, 29122088, 147965903, 295931806, 591863612, 1183727224, 2515420351, 5030840702, 10061681404, 20123362808]

約数ペア:

[(1, 20123362808), (2, 10061681404), (4, 5030840702), (8, 2515420351), (17, 1183727224), (34, 591863612), (68, 295931806), (136, 147965903), (691, 29122088), (1382, 14561044), (2764, 7280522), (5528, 3640261), (11747, 1713064), (23494, 856532), (46988, 428266), (93976, 214133)]