20145902384

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{34841}}^1$

素因数の和:35429

約数の個数: 40

約数和(自身を含む): 39661345440

約数和(自身を除く): 19515443056

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 509, 568, 1018, 1136, 2036, 4072, 8144, 34841, 36139, 69682, 72278, 139364, 144556, 278728, 289112, 557456, 578224, 2473711, 4947422, 9894844, 17734069, 19789688, 35468138, 39579376, 70936276, 141872552, 283745104, 1259118899, 2518237798, 5036475596, 10072951192, 20145902384]

約数ペア:

[(1, 20145902384), (2, 10072951192), (4, 5036475596), (8, 2518237798), (16, 1259118899), (71, 283745104), (142, 141872552), (284, 70936276), (509, 39579376), (568, 35468138), (1018, 19789688), (1136, 17734069), (2036, 9894844), (4072, 4947422), (8144, 2473711), (34841, 578224), (36139, 557456), (69682, 289112), (72278, 278728), (139364, 144556)]