20688399354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{768457}}^1$

素因数の和:769110

約数の個数: 32

約数和(自身を含む): 47361603456

約数和(自身を除く): 26673204102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 641, 1282, 1923, 3846, 4487, 8974, 13461, 26922, 768457, 1536914, 2305371, 4610742, 5379199, 10758398, 16137597, 32275194, 492580937, 985161874, 1477742811, 2955485622, 3448066559, 6896133118, 10344199677, 20688399354]

約数ペア:

[(1, 20688399354), (2, 10344199677), (3, 6896133118), (6, 3448066559), (7, 2955485622), (14, 1477742811), (21, 985161874), (42, 492580937), (641, 32275194), (1282, 16137597), (1923, 10758398), (3846, 5379199), (4487, 4610742), (8974, 2305371), (13461, 1536914), (26922, 768457)]