20335623

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 34933248

約数和(自身を除く): 14597625

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 121, 151, 159, 231, 363, 371, 453, 583, 847, 1057, 1113, 1661, 1749, 2541, 3171, 4081, 4983, 6413, 8003, 11627, 12243, 18271, 19239, 24009, 34881, 44891, 54813, 56021, 88033, 127897, 134673, 168063, 264099, 383691, 616231, 968363, 1848693, 2905089, 6778541, 20335623]

約数ペア:

[(1, 20335623), (3, 6778541), (7, 2905089), (11, 1848693), (21, 968363), (33, 616231), (53, 383691), (77, 264099), (121, 168063), (151, 134673), (159, 127897), (231, 88033), (363, 56021), (371, 54813), (453, 44891), (583, 34881), (847, 24009), (1057, 19239), (1113, 18271), (1661, 12243), (1749, 11627), (2541, 8003), (3171, 6413), (4081, 4983)]