20246937

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 29331456

約数和(自身を除く): 9084519

約数列:

[1, 3, 31, 43, 61, 83, 93, 129, 183, 249, 1333, 1891, 2573, 2623, 3569, 3999, 5063, 5673, 7719, 7869, 10707, 15189, 81313, 110639, 156953, 217709, 243939, 331917, 470859, 653127, 6748979, 20246937]

約数ペア:

[(1, 20246937), (3, 6748979), (31, 653127), (43, 470859), (61, 331917), (83, 243939), (93, 217709), (129, 156953), (183, 110639), (249, 81313), (1333, 15189), (1891, 10707), (2573, 7869), (2623, 7719), (3569, 5673), (3999, 5063)]