20121247118

素因数分解:

$2^1\times 7^1\times {\mathrm{1489}}^1\times {\mathrm{965233}}^1$

素因数の和:966731

約数の個数: 16

約数和(自身を含む): 34516767840

約数和(自身を除く): 14395520722

約数列:

[1, 2, 7, 14, 1489, 2978, 10423, 20846, 965233, 1930466, 6756631, 13513262, 1437231937, 2874463874, 10060623559, 20121247118]

約数ペア:

[(1, 20121247118), (2, 10060623559), (7, 2874463874), (14, 1437231937), (1489, 13513262), (2978, 6756631), (10423, 1930466), (20846, 965233)]