20905439874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{11779}}^1\times {\mathrm{26891}}^1$

素因数の和:38686

約数の個数: 32

約数和(自身を含む): 45617437440

約数和(自身を除く): 24711997566

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 11779, 23558, 26891, 35337, 53782, 70674, 80673, 129569, 161346, 259138, 295801, 388707, 591602, 777414, 887403, 1774806, 316749089, 633498178, 950247267, 1900494534, 3484239979, 6968479958, 10452719937, 20905439874]

約数ペア:

[(1, 20905439874), (2, 10452719937), (3, 6968479958), (6, 3484239979), (11, 1900494534), (22, 950247267), (33, 633498178), (66, 316749089), (11779, 1774806), (23558, 887403), (26891, 777414), (35337, 591602), (53782, 388707), (70674, 295801), (80673, 259138), (129569, 161346)]