20665904

素因数分解:

$2^4\times 7^1\times {\mathrm{184517}}^1$

素因数の和:184532

約数の個数: 20

約数和(自身を含む): 45760464

約数和(自身を除く): 25094560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184517, 369034, 738068, 1291619, 1476136, 2583238, 2952272, 5166476, 10332952, 20665904]

約数ペア:

[(1, 20665904), (2, 10332952), (4, 5166476), (7, 2952272), (8, 2583238), (14, 1476136), (16, 1291619), (28, 738068), (56, 369034), (112, 184517)]