20954636

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 38040576

約数和(自身を除く): 17085940

約数列:

[1, 2, 4, 31, 62, 124, 347, 487, 694, 974, 1388, 1948, 10757, 15097, 21514, 30194, 43028, 60388, 168989, 337978, 675956, 5238659, 10477318, 20954636]

約数ペア:

[(1, 20954636), (2, 10477318), (4, 5238659), (31, 675956), (62, 337978), (124, 168989), (347, 60388), (487, 43028), (694, 30194), (974, 21514), (1388, 15097), (1948, 10757)]