20498658

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1786

約数の個数: 32

約数和(自身を含む): 43286400

約数和(自身を除く): 22787742

約数列:

[1, 2, 3, 6, 23, 46, 69, 89, 138, 178, 267, 534, 1669, 2047, 3338, 4094, 5007, 6141, 10014, 12282, 38387, 76774, 115161, 148541, 230322, 297082, 445623, 891246, 3416443, 6832886, 10249329, 20498658]

約数ペア:

[(1, 20498658), (2, 10249329), (3, 6832886), (6, 3416443), (23, 891246), (46, 445623), (69, 297082), (89, 230322), (138, 148541), (178, 115161), (267, 76774), (534, 38387), (1669, 12282), (2047, 10014), (3338, 6141), (4094, 5007)]