20562738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5501}}^1$

素因数の和:5602

約数の個数: 32

約数和(自身を含む): 47537280

約数和(自身を除く): 26974542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 5501, 11002, 16503, 33006, 38507, 77014, 115521, 231042, 489589, 979178, 1468767, 2937534, 3427123, 6854246, 10281369, 20562738]

約数ペア:

[(1, 20562738), (2, 10281369), (3, 6854246), (6, 3427123), (7, 2937534), (14, 1468767), (21, 979178), (42, 489589), (89, 231042), (178, 115521), (267, 77014), (534, 38507), (623, 33006), (1246, 16503), (1869, 11002), (3738, 5501)]