20007646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2203}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 31737600

約数和(自身を除く): 11729954

約数列:

[1, 2, 19, 38, 239, 478, 2203, 4406, 4541, 9082, 41857, 83714, 526517, 1053034, 10003823, 20007646]

約数ペア:

[(1, 20007646), (2, 10003823), (19, 1053034), (38, 526517), (239, 83714), (478, 41857), (2203, 9082), (4406, 4541)]