20218392489

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1\times {\mathrm{6857}}^1$

素因数の和:7317

約数の個数: 32

約数和(自身を含む): 28420429824

約数和(自身を除く): 8202037335

約数列:

[1, 3, 23, 69, 151, 283, 453, 849, 3473, 6509, 6857, 10419, 19527, 20571, 42733, 128199, 157711, 473133, 982859, 1035407, 1940531, 2948577, 3106221, 5821593, 23814361, 44632213, 71443083, 133896639, 293020181, 879060543, 6739464163, 20218392489]

約数ペア:

[(1, 20218392489), (3, 6739464163), (23, 879060543), (69, 293020181), (151, 133896639), (283, 71443083), (453, 44632213), (849, 23814361), (3473, 5821593), (6509, 3106221), (6857, 2948577), (10419, 1940531), (19527, 1035407), (20571, 982859), (42733, 473133), (128199, 157711)]