20565558884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20815343}}^1$

素因数の和:20815379

約数の個数: 24

約数和(自身を含む): 40798074240

約数和(自身を除く): 20232515356

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20815343, 41630686, 83261372, 270599459, 395491517, 541198918, 790983034, 1082397836, 1581966068, 5141389721, 10282779442, 20565558884]

約数ペア:

[(1, 20565558884), (2, 10282779442), (4, 5141389721), (13, 1581966068), (19, 1082397836), (26, 790983034), (38, 541198918), (52, 395491517), (76, 270599459), (247, 83261372), (494, 41630686), (988, 20815343)]