20404364

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 36756720

約数和(自身を除く): 16352356

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 883, 1766, 3532, 5777, 11554, 23108, 46799, 93598, 96247, 187196, 192494, 384988, 5101091, 10202182, 20404364]

約数ペア:

[(1, 20404364), (2, 10202182), (4, 5101091), (53, 384988), (106, 192494), (109, 187196), (212, 96247), (218, 93598), (436, 46799), (883, 23108), (1766, 11554), (3532, 5777)]