20513302369

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{222731}}^1$

素因数の和:223020

約数の個数: 16

約数和(自身を含む): 23948144640

約数和(自身を除く): 3434842271

約数列:

[1, 7, 59, 223, 413, 1561, 13157, 92099, 222731, 1559117, 13141129, 49669013, 91987903, 347683091, 2930471767, 20513302369]

約数ペア:

[(1, 20513302369), (7, 2930471767), (59, 347683091), (223, 91987903), (413, 49669013), (1561, 13141129), (13157, 1559117), (92099, 222731)]