20558804

素因数分解:

$2^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1091}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 41216448

約数和(自身を除く): 20657644

約数列:

[1, 2, 4, 7, 14, 28, 673, 1091, 1346, 2182, 2692, 4364, 4711, 7637, 9422, 15274, 18844, 30548, 734243, 1468486, 2936972, 5139701, 10279402, 20558804]

約数ペア:

[(1, 20558804), (2, 10279402), (4, 5139701), (7, 2936972), (14, 1468486), (28, 734243), (673, 30548), (1091, 18844), (1346, 15274), (2182, 9422), (2692, 7637), (4364, 4711)]