20807178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6271}}^1$

素因数の和:6362

約数の個数: 32

約数和(自身を含む): 48168960

約数和(自身を除く): 27361782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6271, 12542, 18813, 37626, 43897, 87794, 131691, 263382, 495409, 990818, 1486227, 2972454, 3467863, 6935726, 10403589, 20807178]

約数ペア:

[(1, 20807178), (2, 10403589), (3, 6935726), (6, 3467863), (7, 2972454), (14, 1486227), (21, 990818), (42, 495409), (79, 263382), (158, 131691), (237, 87794), (474, 43897), (553, 37626), (1106, 18813), (1659, 12542), (3318, 6271)]