20313182

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:1051

約数の個数: 16

約数和(自身を含む): 31071600

約数和(自身を除く): 10758418

約数列:

[1, 2, 89, 139, 178, 278, 821, 1642, 12371, 24742, 73069, 114119, 146138, 228238, 10156591, 20313182]

約数ペア:

[(1, 20313182), (2, 10156591), (89, 228238), (139, 146138), (178, 114119), (278, 73069), (821, 24742), (1642, 12371)]