20416494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6659}}^1$

素因数の和:6744

約数の個数: 32

約数和(自身を含む): 47312640

約数和(自身を除く): 26896146

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6659, 13318, 19977, 39954, 46613, 93226, 139839, 279678, 486107, 972214, 1458321, 2916642, 3402749, 6805498, 10208247, 20416494]

約数ペア:

[(1, 20416494), (2, 10208247), (3, 6805498), (6, 3402749), (7, 2916642), (14, 1458321), (21, 972214), (42, 486107), (73, 279678), (146, 139839), (219, 93226), (438, 46613), (511, 39954), (1022, 19977), (1533, 13318), (3066, 6659)]