20151381

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 29626560

約数和(自身を除く): 9475179

約数列:

[1, 3, 19, 23, 57, 69, 361, 437, 809, 1083, 1311, 2427, 8303, 15371, 18607, 24909, 46113, 55821, 292049, 353533, 876147, 1060599, 6717127, 20151381]

約数ペア:

[(1, 20151381), (3, 6717127), (19, 1060599), (23, 876147), (57, 353533), (69, 292049), (361, 55821), (437, 46113), (809, 24909), (1083, 18607), (1311, 15371), (2427, 8303)]