20004628

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9787}}^1$

素因数の和:9871

約数の個数: 24

約数和(自身を含む): 40561472

約数和(自身を除く): 20556844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9787, 19574, 39148, 68509, 137018, 274036, 714451, 1428902, 2857804, 5001157, 10002314, 20004628]

約数ペア:

[(1, 20004628), (2, 10002314), (4, 5001157), (7, 2857804), (14, 1428902), (28, 714451), (73, 274036), (146, 137018), (292, 68509), (511, 39148), (1022, 19574), (2044, 9787)]