20525694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1231}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 47072256

約数和(自身を除く): 26546562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1191, 1231, 2382, 2462, 2779, 3693, 5558, 7386, 8337, 8617, 16674, 17234, 25851, 51702, 488707, 977414, 1466121, 2932242, 3420949, 6841898, 10262847, 20525694]

約数ペア:

[(1, 20525694), (2, 10262847), (3, 6841898), (6, 3420949), (7, 2932242), (14, 1466121), (21, 977414), (42, 488707), (397, 51702), (794, 25851), (1191, 17234), (1231, 16674), (2382, 8617), (2462, 8337), (2779, 7386), (3693, 5558)]