20910554

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6883}}^1$

素因数の和:6930

約数の個数: 24

約数和(自身を含む): 37669248

約数和(自身を除く): 16758694

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6883, 13766, 48181, 96362, 213373, 337267, 426746, 674534, 1493611, 2987222, 10455277, 20910554]

約数ペア:

[(1, 20910554), (2, 10455277), (7, 2987222), (14, 1493611), (31, 674534), (49, 426746), (62, 337267), (98, 213373), (217, 96362), (434, 48181), (1519, 13766), (3038, 6883)]