20149671

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8221}}^1$

素因数の和:8286

約数の個数: 16

約数和(自身を含む): 28941440

約数和(自身を除く): 8791769

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8221, 24663, 156199, 353503, 468597, 1060509, 6716557, 20149671]

約数ペア:

[(1, 20149671), (3, 6716557), (19, 1060509), (43, 468597), (57, 353503), (129, 156199), (817, 24663), (2451, 8221)]