20687946

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{202823}}^1$

素因数の和:202845

約数の個数: 16

約数和(自身を含む): 43809984

約数和(自身を除く): 23122038

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 202823, 405646, 608469, 1216938, 3447991, 6895982, 10343973, 20687946]

約数ペア:

[(1, 20687946), (2, 10343973), (3, 6895982), (6, 3447991), (17, 1216938), (34, 608469), (51, 405646), (102, 202823)]