20380466

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:2029

約数の個数: 16

約数和(自身を含む): 31437720

約数和(自身を除く): 11057254

約数列:

[1, 2, 61, 89, 122, 178, 1877, 3754, 5429, 10858, 114497, 167053, 228994, 334106, 10190233, 20380466]

約数ペア:

[(1, 20380466), (2, 10190233), (61, 334106), (89, 228994), (122, 167053), (178, 114497), (1877, 10858), (3754, 5429)]