20977348

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3803}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 42178752

約数和(自身を除く): 21201404

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3803, 5516, 7606, 15212, 26621, 53242, 106484, 749191, 1498382, 2996764, 5244337, 10488674, 20977348]

約数ペア:

[(1, 20977348), (2, 10488674), (4, 5244337), (7, 2996764), (14, 1498382), (28, 749191), (197, 106484), (394, 53242), (788, 26621), (1379, 15212), (2758, 7606), (3803, 5516)]